Blood that remains in the uterus for an extended period reacts with oxygen and has had time to oxidize, resulting in a dark ...

Menstrual blood can range from dark red to brown, black, pink, orange, gray, or even green. Each color can have different causes, from a fast flow to potential infections. It's crucial to ...

You can expect to see red blood when your period is at its heaviest, usually during the first few days of menstruation. Dark pink: heavy blood mixed with discharge If your period blood appears ...