Menstrual Irregularities After Emergency Contraception - Obstetrics and Gynecology

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Menstrual issues


On May 29, I had my first sexual intercourse without a condom and did not ejaculate inside.
I took emergency contraception within 12 hours and did not experience any discomfort.
My period started on June 2 and has continued, with no end in sight as of June 14.
I have been experiencing slight pain during menstruation (when passing blood), but no other discomfort.
Could this be related to taking emergency contraception? Should I seek medical attention soon, or wait until my period ends before consulting a doctor?

Niming, 20~29 year old female. Ask Date: 2021/06/14

Dr. Wu Xianghui reply Obstetrics and Gynecology


If menstruation lasts more than two weeks or if there is abnormal vaginal discharge, it is recommended to consult a specialist in obstetrics and gynecology for an examination.

Reply Date: 2021/06/14

More Info


Menstrual irregularities can often occur after taking emergency contraception, and your situation appears to be a common response to hormonal changes induced by the medication. Emergency contraceptive pills (ECPs), such as Plan B or Ella, contain hormones that can disrupt the normal menstrual cycle. Here’s a detailed breakdown of your situation and some recommendations.


Understanding the Effects of Emergency Contraception
1. Hormonal Influence: Emergency contraceptive pills primarily contain levonorgestrel or ulipristal acetate, which are hormones that can alter the menstrual cycle. After taking ECPs, some women may experience changes in their menstrual cycle, including earlier or later onset of menstruation, heavier or lighter bleeding, and prolonged bleeding.

2. Delayed Menstruation: In your case, you mentioned that your menstrual period started on June 2 and has continued until June 14. This prolonged bleeding can be attributed to the hormonal effects of the emergency contraception. It is not uncommon for women to experience irregular bleeding patterns after taking ECPs.

3. Menstrual Pain: The slight pain you are experiencing during this extended period could be related to the shedding of the uterine lining, which can be more pronounced after hormonal fluctuations caused by ECPs. This pain is often similar to menstrual cramps and can vary in intensity.


When to Seek Medical Attention
While it is generally expected for menstrual irregularities to occur after taking emergency contraception, there are certain signs that warrant medical attention:
- Severe Pain: If the pain becomes severe or is accompanied by other symptoms such as fever, chills, or fainting, you should seek medical help immediately.

- Heavy Bleeding: If you experience soaking through one or more pads or tampons every hour for several consecutive hours, this could indicate a more serious issue, and you should consult a healthcare provider.

- Prolonged Bleeding: If your bleeding continues beyond a few weeks or if you have concerns about the duration and amount of bleeding, it is advisable to see a healthcare professional.


Recommendations
1. Monitor Your Symptoms: Keep track of your bleeding patterns and any associated symptoms. If your period does not normalize after a few cycles, or if you have any concerns, it would be wise to consult a healthcare provider.

2. Consult a Healthcare Provider: If you are unsure whether your symptoms are normal or if they are causing you distress, it is always a good idea to seek medical advice. A healthcare provider can perform an evaluation and determine if any further action is necessary.

3. Wait for Your Cycle to Normalize: In many cases, menstrual irregularities resolve within one or two cycles after taking emergency contraception. If your symptoms are mild and manageable, you may choose to wait until your next period to see if things return to normal.

4. Consider Future Contraceptive Options: If you find that emergency contraception is necessary, it may be beneficial to discuss long-term contraceptive options with your healthcare provider to avoid the need for ECPs in the future.

In summary, while your symptoms may be related to the emergency contraception, it is important to monitor your condition and seek medical advice if you experience severe symptoms or prolonged irregularities. Your health and well-being are paramount, and a healthcare provider can offer personalized guidance based on your specific situation.

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