What is black vulva?

Vulva blackening is a normal physiological phenomenon, because women after puberty, due to the ovary began periodic secretion of estrogen and progesterone, so under the action of estrogen, vulva skin color and vulva mucosa color will deepen, black, black than normal skin color, which belongs to normal physiological phenomenon. After pregnancy in women, due to estrogen in the body showed a thousand times the increase, vulva local skin color more black, in clinical is also normal phenomenon. Suggest in pregnancy, due to increased secretions, to wash vulva 1-2 times a day, change underwear frequently, prevent pathogenic bacteria infection can be. If the vulva is found to be locally plaque-like or melanin-like blackening, in the case of a relatively large clinical area, go to the hospital in time to do the corresponding examination and give treatment, which belongs to the pathological state.