2 doctors weighed in:
What causes black blood when I start my period?
2 doctors weighed in

Dr. Hetal Gor
Obstetrics & Gynecology
1 doctor agrees
In brief: Hormone dysfunction
If there is luteal phase defect and Progesterone deficiency this can cause brownish/blackish discharge.

In brief: Hormone dysfunction
If there is luteal phase defect and Progesterone deficiency this can cause brownish/blackish discharge.
Dr. Hetal Gor
Dr. Hetal Gor
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