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What does black, chunky blood mean? The blood from my period is black and extremely chunky... I have pcos but I am currently being treated for it, all the information I have read says that it happens when your period is late but mine isn't. I just wonder

1 doctor weighed in
Dr. Scott Musinski
Obstetrics & Gynecology

In brief: Black

Black and dark brown menstrual bleeding usually mean that the blood is not fresh, active bleeding.
The body's clotting mechanisms are working to make the blood chunky. Brisk bleeding may be associated with large clots and bright red color.

In brief: Black

Black and dark brown menstrual bleeding usually mean that the blood is not fresh, active bleeding.
The body's clotting mechanisms are working to make the blood chunky. Brisk bleeding may be associated with large clots and bright red color.
Dr. Scott Musinski
Dr. Scott Musinski
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