Can You Get Pregnant After Taking Emergency Contraceptive? - Obstetrics and Gynecology

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Can I get pregnant?


If the emergency contraceptive pill (Plan B) was taken within 24 hours after unprotected intercourse (with ejaculation occurring 1500 the previous day and the pill taken at 1430 the following day), the likelihood of pregnancy is significantly reduced.
However, no emergency contraceptive is 100% effective.
If you are concerned about the possibility of pregnancy, consider taking a pregnancy test after the expected date of your next period or consult a healthcare provider for further advice.

AA, 10~19 year old female. Ask Date: 2018/02/13

Dr. Huang Jianzhong reply Obstetrics and Gynecology


The emergency contraceptive pill was taken one dose of "Yuzhu" close to 24 hours after unprotected intercourse (the previous day at 3:00 PM).
Will this result in pregnancy? If so, what should I do? Answer: The likelihood of pregnancy is low in this case.

Reply Date: 2018/02/13

More Info


Emergency contraceptive pills (ECPs), often referred to as "morning-after pills," are designed to prevent pregnancy after unprotected intercourse or contraceptive failure. The effectiveness of these pills depends on several factors, including the timing of ingestion relative to ovulation and the type of emergency contraceptive used.

In your case, taking an emergency contraceptive pill within 24 hours after unprotected intercourse significantly reduces the risk of pregnancy. Most ECPs, such as those containing levonorgestrel (Plan B One-Step) or ulipristal acetate (ella), are most effective when taken as soon as possible after unprotected sex. Levonorgestrel is most effective within 72 hours, while ulipristal acetate can be effective up to 120 hours after intercourse. However, the sooner you take it, the better the chances of preventing ovulation and, consequently, pregnancy.

If you took the emergency contraceptive pill within 24 hours after having unprotected sex, the likelihood of becoming pregnant is significantly reduced. However, no contraceptive method is 100% effective, and there remains a small risk of pregnancy even after taking ECPs.

If you are concerned about the possibility of pregnancy after taking the emergency contraceptive, here are some steps you can take:
1. Wait for Your Period: Most women will get their period within a few days to a week after taking the emergency contraceptive. If your period is delayed by more than a week, you should take a pregnancy test.

2. Take a Pregnancy Test: If you suspect you might be pregnant, taking a home pregnancy test can provide you with an answer. These tests are generally accurate if taken after a missed period.

3. Consult a Healthcare Provider: If you have any concerns or if the pregnancy test is positive, it is essential to consult with a healthcare provider. They can provide guidance on your options and discuss any next steps.

4. Consider Future Contraceptive Options: If you find yourself needing emergency contraception frequently, it might be worth discussing long-term contraceptive options with your healthcare provider. There are various methods available, including hormonal birth control pills, intrauterine devices (IUDs), and implants, which can provide more reliable protection against unintended pregnancy.

Regarding your concerns about the potential effects of pregnancy if you were to conceive, it is crucial to note that early pregnancy is a sensitive time, and any substance intake, including alcohol, should be approached with caution. If you have consumed alcohol and are pregnant, it is advisable to stop drinking and consult with a healthcare provider for guidance on prenatal care and any potential risks.

In summary, taking an emergency contraceptive pill shortly after unprotected intercourse significantly lowers the risk of pregnancy. If you are still concerned about the possibility of pregnancy, monitor your menstrual cycle and consider taking a pregnancy test if your period is late. Always consult with a healthcare provider for personalized advice and support regarding your reproductive health.

Similar Q&A

Can You Get Pregnant After Taking Emergency Contraceptive Pills?

The likelihood of becoming pregnant after taking emergency contraception and then engaging in unprotected intercourse three hours later, without ejaculation, is generally low. Emergency contraceptive pills are designed to prevent ovulation or fertilization if taken within a speci...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, the chances of pregnancy are low, and you shouldn't rely on the safe period. It's better to take preventive measures before engaging in sexual activity. If your period is more than a week late, it's advisable to see a gynecologist. Wishing you good health.

[Read More] Can You Get Pregnant After Taking Emergency Contraceptive Pills?


Can You Get Pregnant After Taking Emergency Contraceptive?

Hello doctor, I took the emergency contraceptive pill for the first time on the twenty-first day of my cycle and had unprotected intercourse. After a seven-day break, I had unprotected intercourse again, totaling two times. Is there a chance I could be pregnant? Thank you, doctor...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, taking emergency contraception will prevent pregnancy. Wishing you good health.

[Read More] Can You Get Pregnant After Taking Emergency Contraceptive?


Can You Get Pregnant After Taking Emergency Contraceptive Pills?

On August 25, menstruation just ended, and on August 28, unprotected intercourse occurred after menstruation. The emergency contraceptive pill was taken afterward. Is there a possibility of pregnancy in this situation?


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, the chances of pregnancy are low, but it is best to take preventive measures beforehand. Do not rely on the safe period. If your period is more than a week late, it is advisable to see a gynecologist. Wishing you good health.

[Read More] Can You Get Pregnant After Taking Emergency Contraceptive Pills?


Can You Get Pregnant After Taking Emergency Contraceptive Pills?

You took the emergency contraceptive pill on June 27th and had unprotected intercourse with ejaculation for the next three days without taking any additional medication. However, you are experiencing lower abdominal pain and have not gotten your period. Is there still a possibili...


Dr. Lin Wenbin reply Obstetrics and Gynecology
Emergency contraceptive pills are not meant to be taken this way. You are misusing the medication. If you have a long-term and stable sexual relationship, you should consider using a long-term oral contraceptive. Please visit a clinic for an examination.

[Read More] Can You Get Pregnant After Taking Emergency Contraceptive Pills?


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