Irregular Menstrual Cycles After Miscarriage: What to Expect - Obstetrics and Gynecology

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Menstruation has started, stopped, and then started again?


After experiencing a miscarriage with my second pregnancy, my first menstrual period came from October 3 to October 6.
Although it lasted for four days, the flow was quite heavy and seemed normal.
However, my second period was from October 31 to November 2, with a normal flow.
On November 3, my period suddenly stopped, and I had some flow again on November 4.
I thought it had ended on November 3, but after taking Ba Zhen Women's Soup on the morning of November 4, I noticed some flow again that day.
Is this normal? Should I take anything to improve my health? Also, should I count the duration as five days or four days?

Youyou, 20~29 year old female. Ask Date: 2017/11/04

Dr. Lin Manying reply Obstetrics and Gynecology


Hello Ms.
Youyou: Regarding your menstrual cycle from October 3rd to 31st, a 29-day interval is considered normal.
The duration of your period may be related to the traditional Chinese medicine you are taking.
If you experience intermittent bleeding, please seek medical attention.
However, bleeding for up to 7 days within one menstrual cycle is considered normal, even if there are interruptions.
The Hualien Hospital of the Ministry of Health and Welfare cares about your health.

Reply Date: 2017/11/04

More Info


After experiencing a miscarriage, it is not uncommon for women to notice irregularities in their menstrual cycles. The body undergoes significant hormonal changes during and after pregnancy, which can lead to variations in menstrual flow, duration, and overall cycle regularity. Understanding what to expect can help alleviate concerns and guide you in managing your health during this time.

In your case, you mentioned that your first menstrual cycle after the miscarriage occurred from October 3 to October 6, lasting four days with a heavy flow, which is generally considered normal. The second cycle, from October 31 to November 2, also had a normal flow. However, the irregularity you experienced on November 3 and 4, where you had some bleeding on November 4 after initially thinking your period had ended, can be attributed to several factors.

Firstly, it is important to note that menstrual cycles can take time to regulate after a miscarriage. The hormonal fluctuations that occur can lead to variations in cycle length and flow. Spotting or light bleeding after a period has seemingly ended can occur and is often referred to as "breakthrough bleeding." This can be due to hormonal imbalances, changes in the uterine lining, or even the effects of any medications or herbal supplements you may be taking, such as the 八珍婦女湯 (Ba Zhen Women’s Soup), which is traditionally used to nourish the body and regulate menstrual cycles.

Regarding your question about counting the duration of your menstrual cycle, it is typically counted from the first day of bleeding to the last day of bleeding. In your case, if you experienced bleeding on October 3 and it continued until October 6, that would be considered a four-day cycle. If you had bleeding on November 4 after a day of no bleeding, it may indicate that your cycle is still adjusting, and you should consider this when tracking your menstrual health.

If you are concerned about the irregularities in your cycle or if the bleeding patterns continue to be inconsistent, it may be beneficial to consult with a healthcare provider. They can assess your overall health, check for any underlying issues, and provide personalized recommendations. This may include lifestyle changes, dietary adjustments, or even hormonal treatments if necessary.

In terms of dietary improvements, focusing on a balanced diet rich in iron, vitamins, and minerals can support your recovery and overall menstrual health. Foods high in iron (like leafy greens, beans, and lean meats) can help replenish any lost nutrients, especially after heavy menstrual bleeding. Additionally, maintaining hydration and incorporating regular physical activity can also promote hormonal balance.

In summary, experiencing irregular menstrual cycles after a miscarriage is common, and your body may need time to adjust. Keep track of your cycles, and if you notice persistent irregularities or have concerns about your health, do not hesitate to seek medical advice. Your well-being is paramount, and a healthcare professional can provide the guidance you need during this transitional period.

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