Emergency Contraceptive Pills: Your Pregnancy Risks - Obstetrics and Gynecology

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Emergency contraceptive pill


You had unprotected intercourse with your girlfriend on the morning of August 13th, but there was no ejaculation.
On August 15th, she took emergency contraception.
On August 22nd, she experienced bleeding similar to a menstrual period, and on August 24th, she had a brief episode of abdominal pain that quickly subsided.
Given these circumstances, the likelihood of pregnancy is low, especially since emergency contraception was taken promptly.
However, it is always advisable to consult a healthcare professional for personalized advice and to confirm the situation.

loe, 10~19 year old female. Ask Date: 2017/08/24

Dr. Huang Jianzhong reply Obstetrics and Gynecology


On the morning of August 13, I had unprotected intercourse with my girlfriend, but I did not ejaculate.
On August 15, she took emergency contraception.
On August 22, she experienced bleeding similar to a menstrual period, and on August 24, she had a brief episode of abdominal pain that quickly subsided.
Could she be pregnant? Answer: Take a pregnancy test to check.

Reply Date: 2017/08/24

More Info


Emergency contraceptive pills (ECPs) are designed to prevent pregnancy after unprotected intercourse or contraceptive failure. 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 5 days later. In your case, since you took the emergency contraceptive pill on August 15, just two days after the unprotected intercourse on August 13, you have maximized your chances of preventing pregnancy.

The bleeding you experienced on August 22, which was similar to your menstrual flow, could be a side effect of the emergency contraceptive pill. ECPs can cause changes in your menstrual cycle, including early, late, or heavier periods, and this bleeding is often referred to as "withdrawal bleeding." It is important to note that this bleeding does not necessarily indicate that you are pregnant; rather, it can be a sign that the ECP has worked to prevent ovulation.

Regarding the abdominal pain you felt on August 24, it is not uncommon to experience mild cramping or discomfort after taking ECPs. This is usually due to hormonal changes in your body as it adjusts to the medication. However, if the pain is severe or persistent, it is advisable to consult a healthcare provider to rule out any other potential issues.

To address your primary concern about the possibility of pregnancy: if you took the ECP within the recommended time frame and have experienced withdrawal bleeding, the likelihood of pregnancy is low. However, if your next period is delayed by more than a week, or if you experience any unusual symptoms, it would be wise to take a pregnancy test or consult with a healthcare professional for further evaluation.

In summary, based on the timeline you provided and the actions you took, it seems unlikely that you are pregnant. However, monitoring your menstrual cycle and being aware of your body’s signals is essential. If you have any further concerns or questions, do not hesitate to reach out to a healthcare provider for personalized advice and support.

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