Why just come menstruation is black blood
Dr. Tracy Anderson
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2025-05-04 04:15:07
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Women just came to menstruation black blood situation, may be menstrual blood stay in the uterus for a long time caused. In addition, if the spirit or study pressure before menstruation, cold or dysmenorrhea, etc., will also lead to menstrual blood deposition in the uterus, a long time without discharge will lead to menstrual blood black.
