What's with the black leucorrhea?

Normal leucorrhea is transparent or milky white, odorless or a little fishy smell, if the leucorrhea is black is really abnormal. Black leucorrhea is actually caused by bleeding, blood volume is small, and it stays in the vagina for a long time, and it will become black by air oxidation. Therefore, once it shows black or brown leucorrhea, you need to see a doctor. First identify the source of bleeding, vaginal, cervical or uterine bleeding. Secondly, to find the cause of bleeding, vaginitis, cervical inflammation, cervical lesions, uterine abnormalities, endocrine disorders, etc. can cause bleeding.