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

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After taking emergency contraceptive pills


Hello, doctor: On January 1st, the condom accidentally broke during intercourse.
I took the emergency contraceptive pill on January 2nd.
Today, I acted impulsively and had intercourse again without a condom.
Doctor, is there a chance I could become pregnant?

Anqi, 20~29 year old female. Ask Date: 2016/01/07

Dr. Tian Yiwen reply Obstetrics and Gynecology


Unprotected intercourse can lead to pregnancy.
Emergency contraception is only effective for sexual activity that occurred before taking the medication and does not provide protection for sexual activity afterward.
If sexual activity is frequent, it is recommended that women consider long-term use of preemptive contraceptive pills (which provide the best contraceptive effect) along with the male partner using condoms (to prevent sexually transmitted infections).
This approach protects both partners.
Frequent use of emergency contraception can lead to irregular menstrual cycles and should only be considered as a last resort.
It is advisable to practice effective preemptive contraception to avoid anxiety after each sexual encounter.

Reply Date: 2016/01/07

More Info


Emergency contraceptive pills (ECPs), commonly known as the "morning-after pill," are designed to prevent pregnancy after unprotected intercourse or contraceptive failure, such as a broken condom. They are most effective when taken as soon as possible after the incident, ideally within 72 hours, but some types can be effective up to 5 days later. The primary mechanism of action for ECPs is to delay or inhibit ovulation, thereby preventing fertilization.
In your case, since you took the emergency contraceptive pill on January 2nd after the condom broke during intercourse on January 1st, you have taken a proactive step to reduce the risk of pregnancy. However, it is important to note that ECPs are not 100% effective. Their effectiveness can be influenced by various factors, including the timing of administration relative to your ovulation cycle. If you were close to ovulation when you had unprotected intercourse, the likelihood of the ECP being effective decreases.

Now, regarding your subsequent unprotected intercourse after taking the ECP, it is crucial to understand that the ECP does not provide ongoing protection. If you had unprotected sex again after taking the emergency contraceptive, there is a possibility of becoming pregnant from that encounter, as the ECP does not prevent fertilization or implantation of a fertilized egg after ovulation has already occurred.

If you are concerned about the possibility of pregnancy after both instances of unprotected intercourse, it is advisable to take a home pregnancy test if your period is late or if you experience any early signs of pregnancy. Home pregnancy tests are generally reliable and can provide results as early as a few days after a missed period.

In addition to considering the possibility of pregnancy, it is also important to discuss long-term contraceptive options with your healthcare provider. Relying on emergency contraception is not a sustainable method of preventing pregnancy, and there are many effective contraceptive methods available that can provide ongoing protection.

In summary, while taking the emergency contraceptive pill can significantly reduce the risk of pregnancy after unprotected intercourse, it does not guarantee that pregnancy will be prevented, especially if further unprotected intercourse occurs afterward. It is essential to monitor your menstrual cycle and consider consulting with a healthcare provider for personalized advice and to explore more reliable contraceptive options moving forward.

Similar Q&A

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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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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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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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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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