Menstrual Cycle After Miscarriage: Key Questions Answered - Obstetrics and Gynecology

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Menstruation after miscarriage


Hello doctor, I had a miscarriage on December 28.
On January 6, the doctor confirmed that my uterus was clear (but no blood test was done to confirm the levels).
I had sexual intercourse on January 16, and I experienced some abdominal pain that lasted for one day.
On the evening of January 18, I had some bleeding.
Is this my period? Do I need to have a blood test to confirm if the miscarriage has been completely resolved? I have already passed the lochia; can sexual intercourse cause abdominal pain? How long should I wait before having sexual intercourse again?

Niming, 20~29 year old female. Ask Date: 2016/01/19

Dr. Lü Lizheng reply Obstetrics and Gynecology


Typically, the physician will first perform an ultrasound examination to confirm that the uterus is clear.
If further confirmation is needed, a urine or blood test can be conducted to check for any remaining pregnancy hormones.
There was sexual intercourse on January 16, followed by mild abdominal pain lasting for one day, and then bleeding occurred on the evening of January 18.
Is this menstruation? It is usually too early for menstruation to occur; typically, it takes more than a month after a miscarriage.
It is advisable to seek medical evaluation.
Sincerely, Dr.
Lu Li-Cheng, Taoyuan Hospital.

Reply Date: 2016/01/19

More Info


After experiencing a miscarriage, understanding the menstrual cycle and the body’s recovery process is crucial for emotional and physical well-being. Here’s a comprehensive response to your questions regarding the menstrual cycle after a miscarriage.

1. Understanding the Bleeding: The bleeding you experienced on January 18 could potentially be your first menstrual period after the miscarriage, especially since it occurred about three weeks after the miscarriage. However, it could also be a result of residual hormonal changes or even implantation bleeding if you conceived again shortly after the miscarriage. It is important to monitor the characteristics of the bleeding—if it resembles your typical menstrual flow, it is likely your period. If it is unusually heavy or accompanied by severe pain, it would be wise to consult your healthcare provider.

2. Need for Blood Tests: While your doctor confirmed that your uterus was clear, a blood test to check your hCG levels could provide additional reassurance. Typically, hCG levels should return to zero after a miscarriage. If they are still elevated, it may indicate retained tissue, which could require further medical intervention. However, if you are not experiencing any concerning symptoms (like heavy bleeding or severe pain), you might not need an immediate blood test.

3. Abdominal Pain After Intercourse: Experiencing abdominal pain after sexual intercourse can be common, especially after a miscarriage. This can be due to several factors, including residual tenderness in the uterus, hormonal fluctuations, or even anxiety about the experience. If the pain persists or worsens, it’s advisable to seek medical advice.

4. Timing for Resuming Sexual Activity: Generally, healthcare providers recommend waiting at least two weeks after a miscarriage before resuming sexual intercourse. This allows your body time to heal and reduces the risk of infection. However, individual circumstances can vary, so it’s best to follow your healthcare provider’s advice based on your specific situation.

5. Monitoring Your Cycle: After a miscarriage, it may take some time for your menstrual cycle to regulate. Some women may experience irregular cycles for a few months. It’s essential to track your menstrual cycle and any symptoms you experience. If your periods do not return to a regular pattern within a few months, or if you have any concerns about your reproductive health, consult your healthcare provider.

6. Emotional Considerations: It’s also important to acknowledge the emotional impact of a miscarriage. Many women experience a range of emotions, including sadness, anxiety, and uncertainty about future pregnancies. Seeking support from friends, family, or a mental health professional can be beneficial during this time.

In summary, the bleeding you experienced could be your first period post-miscarriage, but monitoring its characteristics is essential. A blood test may provide reassurance regarding your hCG levels, and abdominal pain after intercourse can be common but should be addressed if it persists. Waiting a couple of weeks before resuming sexual activity is generally recommended, but always consult your healthcare provider for personalized advice. Lastly, take care of your emotional health as you navigate this challenging time.

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