Pregnancy Risks and Emergency Contraception Options - Obstetrics and Gynecology

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On April 4th, I had sexual intercourse with my girlfriend, but there was no ejaculation, and we stopped afterward.
What is the likelihood of pregnancy in this case? Is it necessary to take emergency contraception? If so, should I consult a doctor for the appropriate dosage?

Fanrao Ren, 20~29 year old female. Ask Date: 2005/04/06

Dr. Li Guanghan reply Obstetrics and Gynecology


Hello: Only the correct and consistent use of condoms can effectively prevent sexually transmitted infections and provide reliable contraception; other methods are not dependable.
Emergency contraceptive pills should be taken within 72 hours and are safer when prescribed by an obstetrician-gynecologist.
Hsinchu City Hospital, Department of Obstetrics and Gynecology.

Reply Date: 2005/04/06

More Info


When it comes to understanding pregnancy risks and emergency contraception options, it's important to consider several factors, including the timing of intercourse in relation to the menstrual cycle, the method of contraception used, and the specific circumstances surrounding the encounter.

In your case, you mentioned that you had sexual intercourse on April 4th without ejaculation. While the withdrawal method (pulling out before ejaculation) is often used as a form of contraception, it is not entirely reliable. Pre-ejaculate fluid, which can be released before ejaculation, may contain sperm. Therefore, there is a possibility of pregnancy even if ejaculation did not occur inside the vagina.

The likelihood of pregnancy depends on where you are in your menstrual cycle. If you had intercourse during your fertile window (typically around ovulation, which occurs about 14 days before your next expected period), the risk of pregnancy is higher. If your cycle is regular and you can track it accurately, this can help you assess your risk.

Regarding emergency contraception, also known as the "morning-after pill," it is designed to prevent pregnancy after unprotected intercourse or contraceptive failure. There are two main types of emergency contraception pills available:
1. Levonorgestrel (Plan B One-Step and others): This is most effective when taken within 72 hours (3 days) after unprotected intercourse but can work up to 5 days with decreasing effectiveness. It is available over-the-counter without a prescription.

2. Ulipristal Acetate (Ella): This is a prescription medication that can be taken up to 120 hours (5 days) after unprotected intercourse and is generally more effective than Levonorgestrel, especially as time passes.

If you are considering taking emergency contraception, it is advisable to do so as soon as possible for maximum effectiveness. You do not need a doctor's prescription for Levonorgestrel, but you will need one for Ulipristal Acetate. If you are unsure about which option to choose or how much to take, consulting with a healthcare provider can provide clarity and guidance tailored to your situation.

In addition to emergency contraception, it is also important to consider regular contraceptive methods for future sexual encounters to reduce the risk of unintended pregnancy. Options include hormonal contraceptives (like birth control pills, patches, or injections), intrauterine devices (IUDs), condoms, and more.

Lastly, if you have concerns about sexually transmitted infections (STIs), it is also wise to discuss testing and prevention methods with your healthcare provider, as many contraceptive methods do not protect against STIs.

In summary, while there is a possibility of pregnancy from the encounter you described, taking emergency contraception can help mitigate that risk. It is best to act quickly and consult with a healthcare provider if you have any questions or need assistance in obtaining the appropriate medication.

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