Abnormal Menstrual Bleeding: Causes and When to Seek Help - Obstetrics and Gynecology

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Menstrual irregularities


Hello Doctor: I had my period at the beginning of December, but then it came again on the 21st.
The flow is not heavy (a panty liner gets fully wet), but it is bright red with a little discharge (not sure if it's a blood clot).
I have polycystic ovary syndrome (PCOS) and have been taking Chinese medicine to regulate my menstrual cycle.
Is this ovulation bleeding? Should I observe it for another month?

A-Ling, 20~29 year old female. Ask Date: 2016/12/23

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, it could be a case of pseudomenstrual bleeding.
Let's observe for another month.
Wishing you good health.

Reply Date: 2016/12/23

More Info


Abnormal menstrual bleeding can be a concerning issue for many women, and understanding its causes is crucial for determining when to seek medical help. In your case, experiencing menstrual bleeding on the 21st of the month after having your period at the beginning of December, especially with the characteristics you described (light flow, bright red color, and some discharge), raises several possibilities.

Firstly, it is important to note that menstrual cycles can vary significantly among women, and even for the same woman, cycles can change over time. A typical menstrual cycle lasts about 28 days, but cycles can range from 21 to 35 days. Bleeding that occurs between periods can be classified as intermenstrual bleeding, and it can have various causes.

One common cause of intermenstrual bleeding is ovulation. Some women experience what is known as ovulation bleeding, which can occur around the midpoint of their cycle when an egg is released from the ovary. This bleeding is usually light and may be accompanied by some mild cramping. Given that you mentioned having polycystic ovary syndrome (PCOS), it is possible that hormonal fluctuations associated with this condition could also contribute to irregular bleeding patterns.

Another potential cause of your symptoms could be related to the use of herbal medicine or any hormonal treatments you are currently undergoing. Herbal remedies can sometimes influence hormonal balance and lead to unexpected changes in menstrual cycles. It is essential to monitor how your body responds to these treatments, as they can sometimes exacerbate or alleviate symptoms.

Other causes of abnormal bleeding can include:
1. Hormonal Imbalances: Conditions like PCOS often lead to hormonal imbalances that can cause irregular bleeding.

2. Uterine Fibroids or Polyps: These benign growths in the uterus can lead to heavy or irregular bleeding.

3. Infections: Pelvic inflammatory disease or sexually transmitted infections can cause abnormal bleeding.

4. Endometrial Issues: Conditions such as endometriosis or hyperplasia can also lead to irregular bleeding patterns.

5. Pregnancy-Related Issues: If there is a possibility of pregnancy, any bleeding should be evaluated to rule out complications such as miscarriage or ectopic pregnancy.

Given your situation, it is advisable to monitor your symptoms closely over the next month. If the bleeding persists, increases in volume, or is accompanied by other symptoms such as severe pain, dizziness, or unusual discharge, it would be prudent to seek medical attention. A healthcare provider can perform a thorough evaluation, which may include a pelvic exam, ultrasound, or blood tests to determine the underlying cause of your abnormal bleeding.

In summary, while it is possible that your bleeding could be related to ovulation or hormonal changes due to PCOS or herbal treatments, it is essential to remain vigilant about any changes in your symptoms. If you have any concerns or if the bleeding continues, do not hesitate to reach out to your healthcare provider for further evaluation and guidance. Your health and well-being are paramount, and timely medical advice can help address any underlying issues effectively.

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