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

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Can I get pregnant?


Last week, I took the emergency contraceptive pill, and this week I experienced bleeding; today is the first day, and the flow is light.
I just had intercourse with my boyfriend without a condom, and it happens to be the second day of my ovulation period (the app shows a moderate probability).
My boyfriend did not ejaculate inside; he only went in a few times and then pulled out.
What is the likelihood of becoming pregnant in this situation? Will I get pregnant?

Min, 20~29 year old female. Ask Date: 2020/04/25

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, the chances of pregnancy should be low.
It's important to use contraception at all times.
Wishing you good health.

Reply Date: 2020/04/25

More Info


When it comes to the effectiveness of emergency contraceptive pills (ECPs), it's important to understand how they work and the factors that can influence their efficacy. Emergency contraceptive pills 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 taken up to 120 hours after.

In your case, since you took the emergency contraceptive pill last week, it is likely that it has provided some level of protection against pregnancy. However, no contraceptive method is 100% effective, and several factors can affect the likelihood of pregnancy, including:
1. Timing of Ovulation: If you had unprotected intercourse during your ovulation window, the chances of pregnancy are higher. Since you mentioned that you had intercourse on the second day after your predicted ovulation, this could increase the risk of pregnancy, even with the use of ECPs.

2. Effectiveness of the ECP: The effectiveness of emergency contraceptive pills can vary based on the timing of administration relative to ovulation. If ovulation has already occurred, the ECP may not be able to prevent fertilization.

3. Menstrual Cycle Variability: Individual menstrual cycles can vary significantly, and predicting ovulation can sometimes be inaccurate. If your cycle is irregular, it may be difficult to determine your fertile window accurately.

4. Withdrawal Method: You mentioned that your boyfriend did not ejaculate inside you, which reduces the risk of pregnancy. However, pre-ejaculate fluid can contain sperm, so there is still a small risk.

Regarding the bleeding you experienced after taking the ECP, this could be a side effect of the medication. Many women experience changes in their menstrual cycle after taking ECPs, including spotting or bleeding, which can be mistaken for a period. This bleeding does not necessarily indicate that you are not pregnant.

If you are concerned about the possibility of pregnancy, the best course of action is to take a home pregnancy test about a week after your expected period. If your period is late or if you have any symptoms of pregnancy, you should consult a healthcare provider for further evaluation.

In terms of your overall reproductive health, if you find yourself frequently in situations where you are concerned about unintended pregnancy, it may be worth discussing long-term contraceptive options with a healthcare provider. There are many effective methods available, including hormonal contraceptives, intrauterine devices (IUDs), and barrier methods, which can provide more reliable protection than emergency contraception alone.

In conclusion, while the emergency contraceptive pill can significantly reduce the risk of pregnancy after unprotected intercourse, it is not foolproof, especially if taken after ovulation. Monitoring your menstrual cycle and considering a more consistent form of contraception may help you manage your reproductive health more effectively in the future. If you have any further concerns or questions, don't hesitate to reach out to a healthcare professional for personalized advice.

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
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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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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.

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