First-Time Use of Emergency Contraceptive Pills: What to Expect - Obstetrics and Gynecology

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When using emergency contraceptive pills (ECPs) for the first time, it is important to understand what to expect in terms of side effects and menstrual changes. ECPs, such as the brand you mentioned (美適儂, which is likely a reference to a specific type of emergency contraceptive), 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.

One common side effect of taking ECPs is a change in your menstrual cycle. It is not unusual for women to experience irregular bleeding or spotting after taking these pills. This can manifest as an early period, a delayed period, or prolonged bleeding. In your case, since you started your period on May 3 and have continued to experience bleeding, this could be a side effect of the emergency contraceptive.
The hormones in ECPs can disrupt your normal hormonal balance, leading to changes in your menstrual cycle. Some women may experience heavier bleeding, while others may have lighter or shorter periods. It is also possible to have some spotting between periods. If the bleeding is not excessively heavy (i.e., soaking through a pad or tampon every hour), it is generally considered normal.

However, if you find that the bleeding is unusually heavy, lasts longer than a week, or is accompanied by severe pain, it is advisable to consult a healthcare provider. They can rule out other potential causes of prolonged bleeding, such as hormonal imbalances or other underlying health issues.

In addition to bleeding changes, you may also experience other side effects from ECPs, including nausea, fatigue, headache, dizziness, or breast tenderness. These symptoms are usually mild and resolve on their own within a few days.

If you have concerns about your menstrual cycle or the side effects you are experiencing, it is always a good idea to reach out to a healthcare professional. They can provide personalized advice and reassurance based on your specific situation.
In summary, experiencing prolonged bleeding after taking emergency contraceptive pills for the first time can be normal due to hormonal changes. However, monitoring the severity and duration of the bleeding is important, and seeking medical advice if you have any concerns is recommended.