Abnormal Menstrual Bleeding During Pregnancy - Obstetrics and Gynecology

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Pregnancy Issues 2


Hello, regarding the previous question, the amount of bleeding is similar to usual, but there are suddenly blood clots.
Normally, my period lasts six days, but this time it has extended to over ten days.
I usually do not experience menstrual cramps, and this time I did not have any pain either.
Does this still qualify as menstruation?

Qin, 20~29 year old female. Ask Date: 2015/09/02

Dr. Lü Lizheng reply Obstetrics and Gynecology


If the menstrual flow is sufficient and lasts for a long duration, it typically indicates that there is no pregnancy.
However, if the duration is excessively long and does not occur at the expected time, it should not be considered a normal menstrual period; rather, it is classified as irregular menstruation.
Sincerely, Dr.
Li-Cheng Lu, Taoyuan Hospital.

Reply Date: 2015/09/02

More Info


Abnormal menstrual bleeding during pregnancy can be concerning, and it’s essential to understand the potential implications and underlying causes. In your case, experiencing bleeding that lasts longer than usual, accompanied by blood clots, raises several questions about the nature of the bleeding and its significance.

Firstly, it’s important to differentiate between menstrual bleeding and bleeding that occurs during pregnancy. If you are pregnant, what you are experiencing is not a menstrual period but rather a form of bleeding that can occur for various reasons. In early pregnancy, some women may experience spotting or bleeding due to implantation, which is when the fertilized egg attaches to the uterine lining. This type of bleeding is usually light and short-lived.

However, if you are experiencing heavier bleeding with blood clots and an extended duration (over ten days), it could indicate a more serious issue. Potential causes of abnormal bleeding during pregnancy include:
1. Threatened Miscarriage: This is when there is bleeding in early pregnancy, and it may or may not lead to a miscarriage. It’s essential to monitor the situation closely and consult with a healthcare provider.

2. Ectopic Pregnancy: This occurs when a fertilized egg implants outside the uterus, often in a fallopian tube. It can cause abnormal bleeding and is a medical emergency.

3. Molar Pregnancy: This is a rare condition where abnormal tissue grows inside the uterus instead of a normal embryo. It can lead to unusual bleeding and requires medical attention.

4. Subchorionic Hemorrhage: This is bleeding that occurs between the uterine wall and the chorion (the outer fetal membrane). It can happen in early pregnancy and may resolve on its own, but it should be monitored.

5. Cervical Changes: Sometimes, the cervix can become more sensitive during pregnancy, leading to bleeding, especially after intercourse or a pelvic exam.

Given that you mentioned not experiencing pain, this could be a positive sign, but it does not rule out the need for further evaluation. It’s crucial to consult with your healthcare provider to assess the situation properly. They may recommend an ultrasound to check the status of the pregnancy and rule out any complications.

In terms of management, if the bleeding is determined to be from a benign cause, your doctor may advise rest and monitoring. If there are signs of a miscarriage or other complications, they will provide guidance on the necessary steps to take.

Additionally, if you are experiencing significant changes in your bleeding pattern, such as the presence of clots or an increase in volume, it’s vital to seek medical attention promptly. Your healthcare provider can perform the necessary tests and provide reassurance or treatment as needed.

In summary, while some bleeding can be normal in early pregnancy, the characteristics you describe warrant a thorough evaluation. It’s always better to err on the side of caution and discuss any concerns with your healthcare provider to ensure the health and safety of both you and your baby.

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