Abnormal Bleeding: Causes and Concerns for Women - Obstetrics and Gynecology

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Intermenstrual bleeding


Hello, Doctor: My menstrual cycle has never been regular, but this time it is particularly on time.
When it first started, the blood was brown, and I think it might be related to the fact that I have been drinking rice wine (I started consuming it about three times before my period).
On the first day of my period, I happened to have a bowl of chicken wine, and since then, my period has not stopped.
I have not experienced any other discomfort, but the amount of blood is the same as my usual menstruation.
It has been almost three weeks, and I have had sexual intercourse.
Could you please provide me with some information?

R, 10~19 year old female. Ask Date: 2018/12/15

Dr. Huang Jianzhong reply Obstetrics and Gynecology


My menstrual cycle has never been regular, but this time it was particularly on time.
When it first started, the blood was brown, which I think might be related to the fact that I've been consuming rice wine (I started drinking it about three times before my period).
On the first day of my period, I happened to have a bowl of chicken wine, and since then, my period hasn't stopped.
There are no other uncomfortable symptoms, but the amount of blood is the same as my usual menstrual flow.
It has been almost three weeks, and I have had sexual intercourse.
It is advisable to see a doctor.

Reply Date: 2018/12/15

More Info


Abnormal bleeding can be a source of significant concern for many women, and understanding its causes is crucial for effective management. Based on your description, it appears that you are experiencing prolonged menstrual bleeding, which has persisted for nearly three weeks. This situation can arise from various factors, including hormonal imbalances, lifestyle changes, and even dietary influences.

Firstly, it is essential to recognize that menstrual cycles can be influenced by numerous factors, including stress, changes in routine, and dietary habits. You mentioned that your menstrual cycle has been irregular in the past but has recently become more predictable. This change could be attributed to various factors, including lifestyle adjustments or hormonal fluctuations. The consumption of alcohol, particularly in the form of traditional medicinal drinks like "chicken wine," can also impact your menstrual cycle. Alcohol can affect liver function, which plays a crucial role in hormone metabolism, potentially leading to irregularities in your menstrual cycle.

In your case, the initial presentation of brownish discharge at the onset of your period is not uncommon. Brown blood often indicates older blood that has taken longer to exit the uterus, which can happen at the beginning or end of a menstrual cycle. However, the fact that your bleeding has continued for three weeks is concerning and warrants further investigation.

There are several potential causes for prolonged bleeding:
1. Hormonal Imbalances: Conditions such as polycystic ovary syndrome (PCOS), thyroid disorders, or other endocrine issues can lead to irregular bleeding patterns. Hormonal fluctuations can cause the endometrial lining to shed irregularly, resulting in prolonged or heavy bleeding.

2. Uterine Conditions: Conditions such as fibroids, polyps, or endometriosis can lead to abnormal bleeding. These conditions can cause the uterine lining to thicken or become unstable, leading to prolonged bleeding.

3. Infections: Pelvic inflammatory disease (PID) or other infections can also cause abnormal bleeding. If there is any suspicion of an infection, it is essential to seek medical attention.

4. Pregnancy-Related Issues: If you have had unprotected sexual intercourse, it is crucial to rule out pregnancy. Early pregnancy complications, such as a miscarriage or ectopic pregnancy, can present with abnormal bleeding.

5. Medications: Certain medications, including hormonal contraceptives or anticoagulants, can affect bleeding patterns. If you are taking any medications, it is essential to discuss this with your healthcare provider.

Given your symptoms, it is advisable to consult with a healthcare professional who can perform a thorough evaluation. This may include a pelvic examination, ultrasound, and possibly blood tests to assess hormone levels and rule out any underlying conditions.
In the meantime, it is essential to monitor your symptoms closely. Keep track of the amount of bleeding, any associated symptoms (such as pain or fatigue), and any changes in your overall health. If you experience severe pain, dizziness, or heavy bleeding that soaks through a pad in an hour, seek medical attention immediately.

In conclusion, while some irregularities in menstrual cycles can be benign, prolonged bleeding should not be ignored. Understanding the potential causes and seeking appropriate medical care is vital for your health and well-being. Remember, open communication with your healthcare provider about your symptoms and any lifestyle changes is key to finding the right solution for your situation.

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