Concerns About Pregnancy After Taking Emergency Contraceptive Pills - Obstetrics and Gynecology

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Taking emergency contraception without knowing if you are pregnant?


The last menstrual period was on November 16.
Due to an accidental ejaculation at the end of November, I took an emergency contraceptive pill.
However, I discovered I was pregnant on January 4, with an ultrasound indicating four weeks of gestation.
Will this affect the fetus? Additionally, I have been experiencing light bleeding and abdominal pain; is this normal? I prefer to terminate the pregnancy, but my husband is against it, so I am seeking ways for a natural miscarriage.

Ms. Li, 20~29 year old female. Ask Date: 2021/01/14

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, emergency contraceptive pills can have some effects.
Currently, there is bleeding and abdominal pain, so it's advisable to rest and monitor the situation.
Wishing you good health.

Reply Date: 2021/01/14

More Info


When it comes to concerns about pregnancy after taking emergency contraceptive pills (ECPs), it is important to understand how these medications work and their potential effects on a developing fetus. ECPs, such as levonorgestrel or ulipristal acetate, are designed to prevent pregnancy after unprotected intercourse. They are most effective when taken as soon as possible after the incident, ideally within 72 to 120 hours, depending on the type of pill.

In your case, since you took an emergency contraceptive pill after an unprotected sexual encounter and subsequently discovered you were pregnant, it is crucial to note that ECPs do not terminate an existing pregnancy. Instead, they work primarily by delaying ovulation, preventing fertilization, or inhibiting implantation of a fertilized egg. If you are already pregnant at the time of taking the ECP, it will not affect the pregnancy.

Regarding your concerns about the potential impact on the fetus, research indicates that ECPs do not pose a risk of birth defects or other adverse effects on fetal development when taken before a pregnancy is confirmed. However, it is essential to consult with a healthcare provider for personalized advice and to discuss any specific concerns you may have.

The symptoms you are experiencing, such as light bleeding and abdominal pain, can occur in early pregnancy and may not necessarily indicate a problem. However, they can also be signs of a potential miscarriage or ectopic pregnancy, especially if the bleeding is accompanied by severe pain or if it increases in intensity. It is vital to seek medical attention to evaluate your symptoms and ensure the health and safety of both you and the fetus.

If you are considering terminating the pregnancy, it is important to have an open and honest discussion with your partner about your feelings and options. In many places, there are safe and legal methods for terminating a pregnancy, including medication and surgical options. It is crucial to consult with a healthcare provider who can provide you with information about these options, the associated risks, and the necessary steps to take.

In summary, taking an emergency contraceptive pill after unprotected intercourse does not affect an existing pregnancy. If you find yourself pregnant and experiencing symptoms like bleeding and abdominal pain, it is essential to consult with a healthcare provider for evaluation and guidance. If you are considering termination, discussing your feelings and options with your partner and seeking professional medical advice is crucial for making an informed decision. Remember, your health and well-being are paramount, and there are resources available to support you during this time.

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