What is the sign of dark brown matter when menstruating?

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Hello doctor,
I'm 35 years old, I want gynecological consultation. I have black brown discharge for about 6 days, in which there are few days, there are many days, the amount is not enough to run out of tampons every day, sometimes it is clean. When I started coming out, I ovulated about 3-4 days past. After about 6 days of black-brown discharge as above, I have red menstrual bleeding, but the amount is as small as the days when my period is about to be cleared, if I calculate the menstrual cycle, I am 5 days early.
I had a gynecological examination, the ultrasound was normal, I had a mild endocarditis, and the microbiological test results were normal. Doctor let me ask what is the dark brown substance when menstruation is a sign of disease? What should I see doctor? How long can my condition last? Please advise, thank you doctor.
Anonymous customer
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Answered by Master, Specialist II Phung Thi Ly - Department of Obstetrics and Gynecology, Vinmec Times City International General Hospital.
Hello,
With the question “What is the sign of black brown substance when menstruation is coming? ", the doctor would like to answer as follows:
You have dark brown discharge, your period comes early, you may have amenorrhea. Anovulatory cycle is a cycle that does not ovulate (no mature and shed follicles) like other menstrual cycles.
The cycle of the anovulatory cycle is usually shorter than other menstrual cycles (23-25 ​​days). This is explained because there is no ovulation, so there is no formation and activity of the corpus luteum, so in terms of endocrine, the menstrual cycle is shortened in its later stages.
Bleeding or dysmenorrhea in an anovulatory cycle is also different from an ovulatory cycle. The causes of anovulatory cycles are abnormalities in hormone regulation of the hypothalamic-pituitary-ovarian system. More specifically, it may be due to the hypothalamus - pituitary gland not secreting enough stimulating hormone for the ovaries (common in adolescents). Sometimes because the ovaries are less sensitive to the stimulating hormone of the hypothalamus - pituitary gland (common in the premenopausal age). Or it may be due to disease or physical damage such as: Due to disease or damage in the hypothalamus - pituitary gland that impairs its function of secreting hormones; or because of an abnormality in the ovaries (polycystic ovary disease). Another cause of anovulatory cycle may be due to the use of drugs: Current popular contraceptives, whether they are pills or oral, injections or subcutaneous implants, have the effect of inhibiting ovulation.
If you have had enough children, you can follow up 1-2 more cycles to see if your menstrual cycle returns to normal or not. If you continue to have such disorders, you should go back to a reputable Obstetrics and Gynecology center for specific advice.
If you still have questions about dark brown matter, you can go to a hospital under Vinmec Health System for further examination and advice. Thank you for trusting and sending questions to Vinmec. Wishing you lots of health.
Best regards!