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

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I don't know if I might be pregnant?


Hello, after engaging in sexual intercourse (without ejaculation inside), I took emergency contraception.
However, I had another similar encounter without ejaculation three days later, and my period came with normal bleeding.
Is it possible that I could be pregnant?

axxl, 20~29 year old female. Ask Date: 2018/02/07

Dr. Cai Yonglong reply Obstetrics and Gynecology


The emergency contraceptive pill is 85% effective.
If menstruation occurs, pregnancy is unlikely.
If you have any questions, you can visit a gynecology clinic.

Reply Date: 2018/02/07

More Info


Emergency contraceptive pills (ECPs), commonly known as the "morning-after pill," are designed to prevent pregnancy after unprotected intercourse or contraceptive failure. They work primarily by delaying ovulation, preventing fertilization, or inhibiting implantation of a fertilized egg. The effectiveness of ECPs is highest when taken as soon as possible after unprotected sex, ideally within 72 hours, but some types can be effective up to 120 hours after.

In your case, you mentioned that you had unprotected intercourse but did not ejaculate inside, and subsequently took an emergency contraceptive pill. After three days, you experienced normal menstrual bleeding. This is a positive sign, as it suggests that your body is functioning normally and that the ECP may have worked effectively to prevent pregnancy.

To address your question directly: if you took the emergency contraceptive pill as directed and then had a normal menstrual period, it is highly unlikely that you are pregnant. The occurrence of a normal menstrual period typically indicates that you are not pregnant, as the hormonal changes that occur during pregnancy would prevent the shedding of the uterine lining that characterizes menstruation.

However, it's important to note that ECPs can cause changes in your menstrual cycle. Some women may experience earlier or later periods, lighter or heavier bleeding, or spotting. If your menstrual cycle is irregular or if you experience any unusual symptoms, it may be worth consulting with a healthcare provider for further evaluation.

In summary, based on the information provided, it is unlikely that you are pregnant after taking the emergency contraceptive pill and experiencing a normal menstrual period. If you have any lingering concerns or if your next period is significantly delayed, consider taking a home pregnancy test or consulting with a healthcare professional for peace of mind.
Additionally, if you find yourself needing emergency contraception frequently, it may be beneficial to discuss long-term contraceptive options with your healthcare provider. There are various methods available, including hormonal birth control, intrauterine devices (IUDs), and barrier methods, which can provide more reliable protection against unintended pregnancy.

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.

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Can You Get Pregnant After Taking Emergency Contraceptive?

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 contra...


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.

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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.

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After taking the first dose of emergency contraception, if there was unprotected intercourse within one hour and the second dose is taken the next morning, there is still a possibility of pregnancy. Emergency contraception is most effective when taken as soon as possible after un...


Dr. Huang Jianzhong reply Obstetrics and Gynecology
The emergency contraceptive pill consists of two doses. If the first dose is taken and then unprotected intercourse occurs within one hour, followed by taking the second dose the next morning, the likelihood of pregnancy is approximately 25%.

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