Emergency Contraception: Your Questions Answered - Obstetrics and Gynecology

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Emergency contraception (EC) is a crucial topic for many individuals who may find themselves in situations where they need to prevent an unintended pregnancy after unprotected intercourse or contraceptive failure. Based on your description, it seems you have a good understanding of your menstrual cycle and the events that transpired, which is an important first step in assessing your situation.

From what you’ve shared, your menstrual cycle appears to be regular, with your last period occurring from February 28 to March 5 and the next from March 29 to April 4. You mentioned having sexual intercourse on April 16, during which the condom broke, and you subsequently took emergency contraception (Plan B, or in your case, the "韻婷錠" which contains 1.5 mg of levonorgestrel) shortly after.

Emergency contraception is most effective when taken as soon as possible after unprotected intercourse, ideally within 72 hours, but it can be taken up to 120 hours (5 days) after. The sooner you take it, the better the chances of preventing ovulation and, consequently, pregnancy. Since you took the emergency contraceptive within an hour of the incident, you maximized your chances of preventing pregnancy.

Regarding your menstrual cycle, it’s important to note that taking emergency contraception can cause some temporary changes in your menstrual cycle. This can include delays in your next period, changes in flow, or even spotting. Given that your expected period was due on April 27 and you are now experiencing some discharge that resembles cervical mucus, it’s possible that your body is still adjusting after taking the emergency contraceptive.

The fact that you took the emergency contraception and are now experiencing some discharge could indicate that your body is responding to the hormonal changes. It’s not uncommon for individuals to experience a delay in their period after taking EC, and it can take some time for your cycle to return to its regular rhythm.

If you have taken a pregnancy test on April 25 and it showed a negative result, that is a good sign, especially if it was taken after your expected ovulation window. However, if your period does not arrive within a week of its expected date, it would be advisable to take another pregnancy test to confirm the result.
In the meantime, it’s essential to monitor your body and any symptoms you may experience. If you notice any unusual symptoms, such as severe abdominal pain, heavy bleeding, or any other concerning signs, it would be prudent to seek medical attention.
In summary, it’s reasonable to wait a few more days to see if your period arrives, given that emergency contraception can cause delays. If your period does not come within a week of its expected date, consider taking another pregnancy test. If you have any further concerns or if your symptoms change, do not hesitate to consult with a healthcare provider for personalized advice and support.