Prolonged Menstrual Bleeding on Birth Control Pills - Obstetrics and Gynecology

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Experiencing prolonged menstrual bleeding after starting birth control pills for the first time?


Hello, Doctor.
This is my first time taking birth control pills (Yueji), and I started taking them on the first day of my menstrual period at a fixed time of midnight.
I am currently on the ninth day of my period, and I have noticed that the flow is lighter at night and in the morning, but heavier in the afternoon and evening.
My usual menstrual period lasts about 4 to 5 days, and my cycle is around 30 days, which is regular.
I would like to ask:
1.
How many days of continued menstruation is considered abnormal?
2.
Should I stop taking the pills?
3.
If I need to stop taking the pills, will my next period come as scheduled?
4.
What impact might this situation have on my future menstrual cycles and overall health? I am taking the contraceptive pills mainly to shorten my cycle to avoid having my period during my travel, so I plan to take them for only one month.
Thank you for taking the time to respond!

cc, 30~39 year old female. Ask Date: 2015/12/21

Dr. Lü Lizheng reply Obstetrics and Gynecology


Currently, it appears that you are experiencing irregular menstruation.
It is recommended to stop the medication.
After discontinuing the medication, menstrual bleeding may gradually decrease, and there is a chance that it may stop on its own.
If the bleeding persists, please seek medical treatment.
Since you are already experiencing irregular menstruation, it is difficult to predict the date of your next period.
It does not seem to be a severe case of irregular menstruation, and you should gradually recover.
Sincerely, Dr.
Li-Cheng Lu, Taoyuan Hospital.

Reply Date: 2015/12/21

More Info


Prolonged menstrual bleeding while on birth control pills can be a concerning issue for many women, especially for those who are new to hormonal contraceptives. It’s important to understand the potential reasons for this occurrence, how to manage it, and what implications it may have for future menstrual cycles.

1. Understanding Prolonged Bleeding: When starting a new birth control pill, such as the one you mentioned (Yasmin), it is not uncommon to experience irregular bleeding or spotting, especially during the first few months of use. This is often due to the body adjusting to the hormones in the pill. Prolonged bleeding, defined as bleeding that lasts longer than seven days, can occur as the body adapts. In your case, since you are on day nine of your period, this could be considered abnormal, especially if your previous cycles were consistently shorter.

2. Should You Stop Taking the Pill?: It is generally not recommended to stop taking the pill abruptly without consulting your healthcare provider. Stopping the pill can lead to hormonal fluctuations that may worsen bleeding or cause other side effects. If the bleeding is heavy or accompanied by severe pain, it is essential to seek medical advice. Your doctor may suggest monitoring the situation for a few more days or may recommend a different contraceptive method if the bleeding continues.

3. What Happens If You Stop the Pill?: If you do decide to stop taking the pill, your next menstrual cycle may be unpredictable. Some women experience a return to their regular cycle immediately, while others may have delayed periods or irregular bleeding. It’s important to note that the pill is designed to regulate your cycle, so stopping it can lead to variations in timing and flow.

4. Impact on Future Cycles: Prolonged bleeding while on the pill can sometimes indicate that the dosage may not be suitable for you, or it could be a sign of an underlying issue that needs to be addressed. If you experience ongoing irregularities, it’s crucial to discuss this with your healthcare provider. They may recommend a different formulation or dosage of birth control pills that could better suit your body’s needs.
5. Considerations for Shortening Cycles: If your goal is to manipulate your cycle for travel or other events, it’s important to discuss this with your doctor. While some women successfully use hormonal contraceptives to skip periods, this should be done under medical supervision to ensure safety and effectiveness.
In summary, while experiencing prolonged menstrual bleeding on birth control pills can be concerning, it is often a temporary side effect as your body adjusts to the hormones. It is crucial to communicate with your healthcare provider about your symptoms, as they can provide personalized advice and determine if any changes to your contraceptive method are necessary. Always prioritize your health and well-being, and don’t hesitate to seek medical guidance when needed.

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