The i-pill is meant for emergency contraception. It is NOT a regular contraceptive method and is unsafe to take more than once a month. Take the tablet immediately after unprotected sex.
It works best when taken within 24 hours. You may take it up to 72 hours after unprotected sex; after that, it may not work. (1)
I Pill price: ₹110/- per strip (1 Tab). Dosage: 1 ipill tablet/once.
A dosage of more than the one I pill tablet a month amounts to emergency contraceptive abuse exposing you to serious side effects.

What are emergency oral contraceptive pills
Emergency contraception is a way to prevent an unwanted pregnancy after unprotected sex. It is also called the morning-after pill.
Emergency contraceptive pills (ECPs) can be taken up to 120 hours (5 days) after having unprotected sex.
Some types of emergency contraception like the iPill and unwanted72 work best when taken within 72 hours (3 days) after intercourse.
The IUD can also be used as a form of emergency contraception. You may even combine emergency contraceptives with IUD if 72 hours have passed. The combination may provide you up to 99% safety from pregnancy.
I Pill and Unwanted 72 are popular emergency contraceptive brands among women.
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Types Of Contraception
That today, in India the lifestyle, attitude and sexual dynamics are much different from what they were a decade ago. About 78% of pregnancies in India are unplanned, and at least 25% are unwanted, according to the National Family Health Survey (2)
Young adults are not worried to explore their personal and sexual freedom anymore. So whether it is an unplanned night of unprotected passion or an accident in the bedroom, it may happen to anyone at some point in time.
And when that does happen, what is your Plan B?
Emergency Oral Contraceptives are an effective method that can protect millions of women from unwanted pregnancy.
Approximately 40% of all pregnancies worldwide are unintended, with higher unintended pregnancy rates in developing (57 per 1,000 women aged 15–44 years of age) vs developed regions (42 per 1,000 women aged 15–44 years of age). (3, 4)
In India, ECP was introduced in 2002 by the Ministry of Health and Family Welfare (MoHFW) and was made an over the counter (OTC) drug in 2005.
However, even today less than one-third of women are aware of ECP and less than 1% have ever used it. (5, 6)

To be pregnant or not after intercourse, should be a well-planned choice for every woman.
And with the various contraceptive options available today we recommend that all women must be aware of all their options and not leave things to chance.

Birth control comes in many forms. Here is a pictorial representation of various methods used over the years.

You can now get pills, patches, and even insertions (like the copper T) that are commonly used to prevent pregnancy in women. They all accomplish birth control by using hormones to block the pathway to the female eggs.
Oral emergency Contraceptives are sometimes mistakenly called as abortion pills or sex pills.
They are by far the most common and popular form of birth control on the market today, mainly due to their non-intrusive nature and ease-of-use.

Image Courtesy: India Today
i Pill Dosage and Price
Manufacturer of I pill | Piramal Enterprises |
I pill Dosage | Single tablet/once |
I pill Tablet Price | 110 Rs/ per strip (1 tab) |
One tablet taken within the stipulated time is sufficient to stop unwanted pregnancy. Doubling the dose does not increase the effectiveness, but it may cause increased side effects.
Do not take more than one tablet without consulting a physician.
Time needed: 1 minute.
How to use the I pill tablet (Instructions)
- What is iPill?
The I pill is an oral emergency contraceptive manufactured by Piramal Healthcare. The active ingredient present is Levonorgestrel. Each tablet contains 1.5 mg of Levonorgestrel (Progestin).
- How many iPills can be taken?
The I Pill Packet comes as a single oral tablet which you need to swallow with water after eating some food. You need to take only ONE tablet.
- When should iPill be taken?
Pregnancy is the state when a fertilised egg attaches itself to the womb. This process can take 2 to 4 days. You need to act within this time frame to avoid the risk of pregnancy.
You should take I-pill as soon as possible and not later than 72 hours. But the sooner you take it, the more effective it is. So you have 72 hours to prevent an unplanned pregnancy after unprotected sex. (7, 8) - How to get maximum protection from pregnancy with iPill?
Taken within 24 hours of unprotected sex offers up to 95% protection from pregnancy.
(7, 8) - Does the ipill work if taken 24 hours after the intercourse?
Yes it does. Taken between 25-48 hours after unprotected intercourse provides 85% protection from possible pregnancy. (7, 8)
- Does the ipill work if taken 2 days or 48 hours after the intercourse?
It may work. And finally taken between 49-72 hours after sex provides only 58% protection. Taking it any later than that, may or may not work. (7, 8)
- Can I take iPill after 72 hours?
You can try. However, if you take it later than 72 hours, it may or may not work.
If you think it’s healthy to take emergency contraception more than twice in 6 months, then you’re being foolish. It is designed for emergency use only.
The long-term side-effects of high-dose hormonal drugs are not known, but they are definitely not a blessing to any woman’s fertility.
— Dr Rekha D, Gynaecologist
i Pill Effectiveness

Image Courtesy: onlinedoctor.lloydspharmacy.com
There is no contraceptive method invented by man that comes with a 100% guarantee. All have certain failure rates.
That said, oral emergency contraceptives have a good success rate at avoiding pregnancy when taken within the stipulated time. (9, 8)

NOTE: If i-pill tablet is consumed post establishment of pregnancy, it will NOT have any abortive action on the pregnancy.
ECP’s do NOT abort an existing pregnancy. They only prevent conception.
That means while they can prevent a pregnancy from starting, they cannot abort an already existing one.
Facts about oral emergency contraceptives
Some important things that you need to know about I pill are below:
1. It is readily available, but it is not your regular OTC
You do not require a doctor’s prescription to purchase it. The I pill is an over the counter emergency contraceptive available in any local chemist shop.
While searching for i pill online we found that none of the online pharmacies carried it.
2. It is not for regular use
I pill use is meant only for emergency contraception. It should not be taken as a regular contraceptive method.
Piramal also manufactures regular contraception pills under the same brand by the name of “I Pill Daily“.
3. Its effectiveness decreases with time
The biggest problem that many women have when it comes to emergency contraceptive pills is taking it at the earliest. The longer you delay after intercourse, the higher is your risk of conceiving.
It is to be taken soon after unprotected sex. You should consume it preferably within 24 hours and not later than 72 hours. (7, 8, 10)
4. I pill is not for everyone
The manufacturer of I pill, Piramal advises that the tablet is for women between ages 25 to 45 only.
It does not give details of the possible problems that may occur for customers younger or older than this age group.
5. No contraceptive is 100% effective
No contraceptives made by man are 100% effective. IUD comes close with 99%.
According to studies, all progestin only morning-after pills, like the I Pill and the Unwanted-72, come with a failure rate of up to 3%.
According to the manufacturer of the iPill, it has a 5% failure rate.
So you may still end up with an unwanted pregnancy. (7, 8, 10)
I pill Side Effects
The I pill has many side effects and may impact your hormonal health if abused. It is a one-time emergency solution only.

Studies have shown that ECP side effects are minimal, and it is safe to use.
If you face any of the below-listed I pill side effects, they should stop within a day or two. (11, 12, 13)
Common side effects of oral contraceptives include:
- Nausea
- Headaches
- Spotting or breakthrough bleeding
- Breast tenderness
- Weight gain
- Mood Changes
- Menstrual changes
- Fatigue
- Abdominal Pain
Read the detailed side effects & what you can do about them here:
Manufacturer Piramal’s I pill use Advice
Piramal cautions that there are chances of unexpected vaginal bleeding after ingestion of the I pill. However, they say that this is not dangerous and should clear up by the time you have your next period.
(Please note that this advice by the manufacturer is basis an assumption that the emergency contraceptive such as I-pill is used only for emergency contraception and not as a regular contraception method.)
Our I pill tablets use advice
While emergency contraceptive pills like I pill and unwanted-72 are very effective in the case of an unplanned pregnancy, they are not as effective when used as regular contraception.
Do NOT use the emergency I pill for regular contraception.
Our advice is to use condoms. Though expensive, there are virtually no side effects, and they also protect against diseases like STD’s/HIV.
6 Cheaper Alternative Brands
Below are some popular emergency contraceptive pill options from some reputed manufacturers:
Brand | Dosage | Price | Manufacturer |
---|---|---|---|
UNWANTED 72 | Single tablet/once | 85 Rs/ per strip(1 tab) | Mankind Pharma Ltd |
SIRF EK TABLET | Single tablet/once | 60 Rs/ per strip(1 tab) | Cipla Ltd |
GUARD PILL | Single tablet/once | 100 Rs/ per strip(1 tab) | Akumentis Healthcare Ltd |
FREE LADY TABLET | Single tablet/once | 22.50 Rs/ per strip(1 tab) | BestoChem Formulations India Ltd |
NIEL 72 TABLET | Single tablet/once | 10 Rs/ per strip(1 tab) | Lupin Ltd |
INSTAFREE 72 TABLET | Single tablet/once | 100 Rs/ per strip (1 Tab) | Macleods Pharmaceuticals Pvt Ltd |
NOWILL TABLET | Single tablet/once | 73.8 Rs/ per strip (1 Tab) | ZEE Laboratories |
How does Ipill work?

Image Courtesy: India Today
I pill functions like any other contraceptive. Some different types of contraceptives are condoms, Intra-uterine devices like copper-T.
The primary ingredient in most emergency contraception pills is levonorgestrel.
Levonorgestrel is a synthetic progesterone hormone. Levonorgestrel is the hormone that forms the main part in most birth control pills. (14, 15)
Summarizing this information, we can say that the iPill, is just a higher dose of regular birth control pills. Its primary action is to stop the fertilisation of eggs by the sperms.
i Pill is NOT an abortion pill
The I pill is NOT an abortion pill, but a female hormone medication to prevent pregnancy.
It can prevent pregnancy but CANNOT terminate an existing pregnancy.
If i-pill tablet is consumed late, post establishment of pregnancy, it will NOT have any abortive action on the pregnancy. That means while they can prevent a pregnancy from starting, they cannot abort an already existing one.
So if one misses their periods after taking the I-pill, it is possible that it didn’t work for them. In that case, consult a doctor ASAP for other options.
i Pill is NOT a Sex Pill
When you say sex pill, you need to be clear about what you need.
Usually a sex pill is used to enhance sexual drive or performance.
The I pill does not enhance sexual drive or sexual performance in any way. It is not a sex pill.
The I pill also does not protect against any sexually transmitted diseases. When in relation with multiple partners, condoms are the better choice of contraceptives.
Frequently Asked Questions
- I pill delays period for how many Days?
According to the manufacturer, the I pill has no long-term effect on your menstrual cycle. Some women will get their periods as expected. Their menstrual cycle will also continue as usual.
However, some women have reported that they have their period earlier or later than expected. Variation in intensity (lighter or heavier) has been seen as well.
After consumption of I pill, if your period is delayed more than a week, or if you have any other health concern, contact your healthcare professional.
You need to apply your best judgment while using I pill; it is only for emergency.
If you use I pill more than once within a menstrual cycle or more than once a month, it may impact your menstrual cycle. You may also experience spotting for a few days. - Can I pill delay periods?
What I Pill is not intended to is to alter your menstrual cycle. However, after consumption, most women get their periods as expected, but some women may have their period up to a week earlier or a week later than expected.
If it’s more than a week late, take a pregnancy test. - Please explain I pill side effects on future pregnancy in Hindi
आपातकालीन गर्भ निरोधकों (progestin only) ने अनगिनत अध्ययनों और कई दशकों के उपयोग के माध्यम से स्पष्ट रूप से सुरक्षा का प्रदर्शन किया गया है। iPill भविष्य की गर्भधारण के लिए भी सुरक्षित मानी जाती है और फर्टिलिटी को प्रभावित नहीं करती है। (10)
- What is Morning after pill failure rate?
All morning-after pills, like the I Pill and the Unwanted-72, come with a 10% failure rate. So 1 in 10 women WILL end up with an unwanted pregnancy.
- What is Morning after pill medical name?
It is progesterone based. The chemical name for this medication is Levonorgestrel.
- How long can you take the morning after pill?
The most pressing question for most women looking to avoid unwanted pregnancy is when to take iPill.
It must be taken within 72 hours. However to ensure 95% effectiveness in stopping an unwanted pregnancy take it within 24 hrs of intercourse. - Does the morning after pill works after 3 days?
Its chances of working are small, but it may. Delaying taking the I pill after 72 hours (3 days) is seeking a chance with the pregnancy.
In such a case monitor your periods and if they are unusually delayed, check for pregnancy with a urine pregnancy test and blood hCG level (human chorionic gonadotropin).
Consult a physician for help. - Do you need a prescription for the morning after pill?
No prescription is required. It is an over the counter medication.
- How effective is Morning after pill after 24 hours?
Below is the effectiveness of Morning After pill:
– Taken within 24 hours of unprotected sex offers up to 95% protection from pregnancy.
– Taken between 25-48 hours after unprotected intercourse provides 85% protection from possible pregnancy.
– And finally taken between 49-72 hours after sex provides only 58% protection. Taking it any later than that, may or may not work. - How much does a morning after pill costs?
Multiple brands of the morning-after pills are available over the counter. Price ranges from 10 rupees/ per tablet to 110 rupees/ per tablet. The i Pill brand by Piramal is priced at 110 Rupees/per strip.
- How often can you take the morning after pill?
Very rarely. Only for unplanned emergencies. Do not use as a regular contraceptive.
One tablet is sufficient to stop unwanted pregnancy. Doubling the dose does not increase the effectiveness, but it does cause increased side effects.
Do not take more than one tablet without consulting a physician. - How to take Morning after pill?
Take it within 24 hours of intercourse for 95% effectiveness. It can cause stomach upset in some women, so always take it along with a meal.
- When will I get my next periods after morning after pills?
However, studies indicate that periods can present a week earlier or later than the scheduled time. If your periods are delayed by more than a week, get a pregnancy test done.
- Can I get pregnant after Morning after pill?
Yes. The chances of getting pregnant after taking iPill are real. There is a 5% probability of pregnancy even if taken immediately after intercourse.
Also if unprotected sex occurs again more than 12 hours after taking the one emergency contraceptive tablet, another dose will be required.
Do not take a second dose without consulting the doctor. - How effective is Morning after pill within 12 hours?
They are 95% effective within 12 hours.
- How long after sex does the morning after pill work?
Up to 72 hours.
- Is I pill safe during breastfeeding?
Doctors consider it safe to take them during breastfeeding. Progestin-based morning-after pills such as the I pill and unwanted-72 are considered to be safer than estrogen-based contraception.
You see high estrogen has been linked to low milk supply in nursing moms. So some oral emergency contraceptives may impact your milk supply.
Read the literature that comes with the tablet and if possible discuss with your doctor as well.
Finally, do remember that morning after pills should be a last resort. Plan for other means of contraception in advance. - Is I pill safe for breastfeeding mothers?
Yes. Unless you had gestational diabetes during pregnancy. If you did, talk to your doctor about the safety of using the i-pill while breastfeeding.
A 1998 study of Latina women (with 900 subjects) found that women who had been diagnosed with gestational diabetes and then took the pill while breastfeeding had an almost threefold risk of developing type II diabetes within a year. - Which are the best contraceptive pill in India without side effects?
There is no such pill. All oral contraceptives will have some side effects. If you are looking for something without side effects, go for condoms or practice abstinence.
- How to prevent pregnancy after sex without pills?
Condoms are recommended. They have the considerable advantage of preventing STD’s.
- How does the emergency pill works?
Please refer to the explanatory image of the uterus below:
- Is there any 5 day emergency contraceptive pill?
Levonorgestrel pills, including the brands i-pill and unwanted-72, are up to 58 % effective when taken within 72 hours (three days) after unprotected sex.
They continue to reduce the risk of pregnancy up to 120 hours (five days) after unprotected sex, but they are less effective as time passes. One study has even shown them to be even after 72 hours or 3 days.
If the usual time limit (<72 hours) has expired, the morning-after pill should be recommended only if an intrauterine contraceptive device is not available.
Emergency contraceptives have a favourable success rate after 72 hours, with a pregnancy rate that is significantly lower than would be expected if no contraceptive were administered. (9, 16)
For surety ECP's may be combined with IUD for 99% success at preventing pregnancy even after 72 hours.
There no emergency contraceptive pills created explicitly for 5 days in India. - Where can I get emergency contraceptive pills?
Progestin-based emergency contraceptives are freely available over the counter (OTC) in any medical shop.
- I am taking two emergency contraceptive pills, is it advisable?
No. One dose is sufficient to stop unwanted pregnancy. Doubling the dose does not increase the effectiveness, but it may cause increased side effects. Do not take more than 1 tablet without consulting a physician.
- Is I pill an abortion pill?
No. It is an oral emergency contraceptive designed to avoid an unplanned pregnancy. It only works if you are not pregnant by preventing fertilisation of the egg.
You can not terminate an existing pregnancy with I pill. - How safe is I pill use on a regular basis for contraception?
It is not advisable at all. Also compared to other regular methods of contraception it has a higher failure rate.
Doctors in India have also reported finding an increasingly high level of hormonal changes in young women who are using the emergency contraceptives three or four times a month. (4) - What is the better single dosage of 1.5mg Levonorgestrel or two dosage of 0.75mg Levonorgestrel?
Studies suggest that the emergency contraceptive regimen of single-dose levonorgestrel is not inferior in efficacy to the two-dose regimen.
One can take single levonorgestrel dose (1.5 mg) to substitute two 0.75 mg doses 12 or 24 h apart. With either regimen, the earlier the treatment is given, the more effective it seems to be. (7) - Who can use Emergency contraception.
Adolescent girls who have attained menarche and have had unprotected sexual intercourse can be given emergency contraception. (8)
Unless they are known to be already pregnant, adolescent girls can take levonorgestrel . It must also be avoided if they have any undiagnosed abnormal vaginal bleeding.
Adolescent girls can take estrogen-containing emergency contraception if they are not known to be pregnant, and have no history of stroke, estrogen-sensitive tumour or thrombophlebitis, active liver disease or untreated hypertension. - Situations where emergency contraceptive pills should be considered
The following conditions are considered as emergency situations, ideal for the use of emergency contraceptives- (8)
– Totally unprotected intercourse
– Ejaculation onto genitals
– Coitus interruptus
– Condom breakage or slippage
– Intrauterine contraceptive device expulsion or midcycle removal
– Spermicide alone at midcycle
– More than two missed oral contraceptive pills or if pills started more than two days late
– Missed mini pill (progesterone only) within 48 hrs
– Delay in getting scheduled contraceptive injection
– Sexual assault (while not on an oral contraceptive pill)
– Condom alone or spermicide alone plus recent teratogen exposure (eg, Accutane)
References:
- ECP Faqs, Preventing pregnancy after you have had sex. NCBI
37 Comments
Really, I enjoy your site with effective and useful information. It will help many women.
please took two of the pills without reading the instructions and i have some black color virginal discharge in about three weeks now and is still coming and i feel some pains within my abdomen and stomach pains too. please is there any help for me and what should i do please.
What if me and partner had intercourse but I didnt get wet inside her…
She took a I pill on 26-27 the hour after unprotected sex…
Will she be pregnant!!?
Plz reply asap
If I had sex more than twice will ipill work after many intercourses within 72 hrs ?
Hello madam,
I am having a doubt please clear it
I had periods on 21st april and i had intimated on 27 and I had not done anal but i think his semen was fallen on my thighs or no vagina so i had taken an Ipill with in 30mins
But on 5th April i had bleeding or period like something and now its 8th I had started a serious main in stomach and in back… Like it happens while period…
Do I am pregnant!??
Pleasr do help me
I had periods on 21 april and i had sex but not anal just but i thought some of the semen was fall inner the vagain/thighs so i taken ipill just after 30mins..
But on 4may I started bleeding like periods
Only and its 8 may today and its still there do iam pregnant
I had unprotected sex but with in an hr i took ipill so wat? Is the chance or avoiding pragency. N is one ipill is enough for that n how it will work n its safe for the future ..
I consumed ipil after unsafe sex later i didnt get my period for correct date so i thought ipil didnt worked and i took abortion pill and light bleeding about 2/3 hours later it stops pls tell me whats the reason
1l time sex Kelly and 5 hours made i pill getli so pregnancy nahi honar na reply mi plz
Since you took the i pill in 5 hours of unprotected sex, your chances of successfully avoiding pregnancy are 95%. You should get your periods within 3 weeks of taking the i pill. If you do not, get a pregnancy test done and consult a physician.
I took the ipill about 16 hours ago. Is it okay to smoke? Does smoking reduce the efficiency of the pill?
How long does iplantation takes place after unprotected intercourse? Does i-pill prevent implantation if taken within 24 hours ? Your reply would be helpful. Thank you.
The i pill will prevent pregnancy with a 95% success rate when taken within 24 hrs. So you seem to be safe. Your lady friend must track her cycle to be sure. To be a 100% certain I suggest you visit a physician who can order advanced tests, if need be.
my girlfriend has taken two i-pill in this month . What can be the possible side effects?? pleASE tell me.
We had unprotected sex on 21 Jan. it was 5th day of cycle (her period started 17 th Jan). She have bleed after 4 hour that day. Now we worried about the pregnancy. I checked with some friends all are saying its ok safe period. Less chances to get pregnant. also she took i pill today morning-its with in 72 hours. It will be ok or not. she 23 year old.she will get pregnant?
hello madam ,i’m 19 years old and i had an unprotected sex today,but my man had ejaculated outside of my vagina. Is there any chances that i could have pregnancy?and am i eligible to take in ipill with in 24 hours?
even my hymen isn’t broke completely.Please answer me …
I had unprotected sex on 6th November with my girlfriend. She took an i-pill today in the morning. Are these pills safe
If men and women had sex but the semen ejected outside the vegina..is there any possibility of getting pregnant,or if use of ipil also knowing semen not ejected inside the vegina.. Is there any side effect?
My wife take first time this month after her mentrual now the pills left 2 only.but she have date of period one more week.what she going to do now.? Condinue take another pack pills until she got period.?
And which time is good for take i pills and it’s night or morning.? Before food or after food .? How many hours after meal.?
Thanks
If I had sex more than twice will ipill work after many intercourses
I have one question please reply.
Q. If i-pill is taken on the 1st of Aug night after sex. so for how many days will it be effective. can we have sex on 20th Aug without taking pill. Please explain
Hello, I did unprotected sex with my wife at june 15th, actually that is her 5th day of periods. Then. He taken I pill next day within 20hours…next month means july her. Regular periods date is on 10th,but untill now he didn’t get periods….is there any chance to pregnancy. 3 days before he did pregnancy test also. But the result shown Invalid.
After take i pill within 24 hours.This Night i did unprotected sex.is it need another i pill again or not?after taken i pill.how long day i can do un prodected sex?
Mam my question is that am about 18 and half years old I had my unprotected sex last night and having consumption of i-pill early in the morning about 14 hours after sex bt without my meal only consumption of water and juice only actually, main reason is that I havnt red instructions. I wanna ask what type of problems I will face after some days and years is any disadvantage to my figure can I gain weight and enlargement of my breast moreover, a child also?
So if you use both 2 pills it does not prevent pregnancy
Up to when the ipill works? Like My wife is bleeding lightly after 5 days of having ipill. Up to when these kind of effect we can get, like how many days? And she is going bathroom for urinating frequently like 3 times in an hour, that is also the effect or what?
These symptoms can be caused by emergency contraceptive pills, especially if they have been abused by using them regularly. They are a one time emergency solution, they are not for regular contraception. I suggest you see a physician immediately.
my question is if you are 22years will the pill work?
The i pill will work if you are 22 years old. However the pill is intended only for women from ages 25 to 45. Since you are younger than the targeted age this product is built for, there is a possibility that the hormones in the i pill may be too much for your body at younger ages. Means you maybe at a higher risk of hormonal imbalance. Try to avoid emergency contraceptives. Condoms are without side effects when used correctly.
Last night the condom slipped off. although I took an I pill, I am really worried that i could be pregnant. What do I do, I do not want to be pregnant now.
If you took the i pill within 24 hours you will not be pregnant.
What happend later ? Please reply.
I had unprotected sex on 12th March with my wife. She took an i-pill within 8 hours in the morning.
She got her periods almost 10 days before the scheduled time. Are there any chances of her being pregnant. Is the period problem caused by i pill?
Besides that, I want to know that when to take I pill or unwanted 72. Should it be immediately after sex or after a day or before?
Also, what about the safety of these pills? Do they have any common side effects that we should know.
Final question – Can I use i pill regularly as a contraception? And can that one tablet of i pill be sufficient if we have sex again after some time?
Dear Kalpesh,
We have tried to cover all your questions in the FAQ above at the end of the article. If there are any more questions just let us know right here.
hai mam iam taking 2 ipill tablets after iam facing problems waitgain and breast tenderness iam fear about that pls answer me and having health problems also thoiroid what i do now pls tell me
My question is for I pill and unwanted 72. Are these pills safe and can be considered as a regular contraception? After taking once, how long they are effective means how long they can avoid pregnancy.
Emergency contraceptive pills like the i pill and unwanted-72 have a large amount of synthetic progesterone compared to what the body makes naturally. While the manufacturers claim they are safe, no studies or surveys have been carried out to verify the long term and repeated use of the emergency contraceptive.
Repeated use has been known to cause temporary hormonal imbalance in women which can cause a shift in the following periods. The next 2 or 3 periods may shift in cycle, vary in duration and intensity.
Some women have even complained of a permanent change of their cycles, duration and intensity after repeated use.
After taking the i pill its action is limited to the next 72 hours with gradually lowering efficacy.
The details are:
1) Taken within 24 hours of unprotected sex offers up to 95% protection from pregnancy.
2)Taken between 25-48 hours after unprotected intercourse offers 85% protection from possible pregnancy.
3) And finally taken between 49-72 hours after sex offers only 58% protection.
Taking it any later than that, will not work at all.