Menstrual Irregularities After Taking Menstrual Induction Pills - Obstetrics and Gynecology

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Last month, I took medication to induce menstruation?


After my period started on November 5, I didn't get my period in December, so I went to see a gynecologist.
On December 17, the doctor examined me and said that obesity could be a contributing factor.
An ultrasound showed that my endometrial lining was thick, indicating that my period should be coming.
They also found a blood cyst on my left ovary, but the doctor said it was not a concern.
I was prescribed medication to induce my period for three days.
Five days after stopping the medication, my period started on December 25.
It was light and lasted about three days, but I experienced heavy bleeding and passed several clots, whereas my periods usually last about four days.

Now it's February, and I still haven't gotten my period.
I took a pregnancy test, but it came back negative.
The only instance of sexual intercourse after December 25 was on December 31.
I have been feeling a dull ache and sharp pain in my lower left abdomen, along with lower back pain and diarrhea, which are symptoms I usually experience before my period, but the bleeding has not occurred.

I would like to know if taking the medication to induce my period will affect my next cycle.
Is it normal to experience heavy bleeding and clots after taking the medication? What is the likelihood of pregnancy? Should I see a gynecologist, or should I wait a bit longer? Can the blood cyst affect my menstrual cycle?

Lin, 20~29 year old female. Ask Date: 2020/01/29

Dr. Lin Manying reply Obstetrics and Gynecology


Hello Ms.
Lin: (1) Taking menstrual induction medication will not affect the next cycle.
(2) It is possible.
If your period is delayed and you have had sexual intercourse, you should take a pregnancy test to rule out pregnancy.
(3) If your period is more than a week late, it is recommended to visit a gynecologist.
(4) Not necessarily.
The Hualien Hospital of the Ministry of Health and Welfare cares about your health.

Reply Date: 2020/01/29

More Info


Menstrual irregularities can be a common concern, especially after taking menstrual induction pills. Based on your description, it seems you have experienced a series of events that could be linked to hormonal fluctuations, weight issues, and possibly the effects of the medication you took. Let's break down your concerns and provide some clarity.

1. Effects of Menstrual Induction Pills: Menstrual induction pills are designed to help regulate your menstrual cycle, especially if you have been experiencing irregularities. After taking these medications, it is not uncommon to experience changes in your menstrual flow, including heavier bleeding or the passing of blood clots. This can happen as your body adjusts to the hormonal changes induced by the medication. The fact that you experienced a heavier flow with clots after taking the pills is not unusual, but it can be concerning if it persists or if you experience significant discomfort.

2. Impact on Future Cycles: Taking menstrual induction pills can indeed affect your subsequent menstrual cycles. After the initial induced period, your body may take some time to regulate itself again. Factors such as weight, stress, and hormonal imbalances can all contribute to irregular cycles. Given that you mentioned being overweight, this can also play a significant role in menstrual irregularities, as excess body fat can lead to hormonal imbalances that affect ovulation and menstruation.

3. Pregnancy Concerns: You mentioned having a sexual encounter on December 31 after your period started on December 25. If you are concerned about the possibility of pregnancy, it is important to note that the likelihood of conception occurring shortly after your period is generally low, especially if you have regular cycles. However, if your cycles are irregular, predicting ovulation becomes more challenging. If you have taken a pregnancy test and it was negative, but you continue to experience symptoms like abdominal pain and discomfort, it may be wise to consult with a healthcare provider for further evaluation.

4. Symptoms and Follow-Up: The symptoms you are experiencing, such as left lower abdominal pain and discomfort, could be related to various factors, including ovulation pain, hormonal fluctuations, or even gastrointestinal issues. If these symptoms persist or worsen, it is advisable to seek medical attention. A healthcare provider can perform a thorough examination and possibly an ultrasound to rule out any underlying conditions, such as ovarian cysts or other reproductive health issues.

5. Blood Cysts and Menstrual Cycles: The presence of a blood cyst on your ovary, as noted in your ultrasound, can sometimes affect your menstrual cycle, but it often resolves on its own without causing significant issues. However, if you experience persistent pain or changes in your menstrual cycle, it is important to follow up with your gynecologist.

In summary, it is not uncommon for menstrual induction pills to cause changes in your menstrual cycle, including heavier bleeding and clotting. Your weight and hormonal balance also play significant roles in your menstrual health. If you continue to experience irregularities, pain, or have concerns about pregnancy, it would be prudent to consult with your healthcare provider for personalized advice and management. They can help you navigate these changes and determine the best course of action for your reproductive health.

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