How is nipple and vulva blackened

If the nipples and vulva show blackening, the following diseases should be ruled out clinically: 1. Whether it is caused by pregnancy, the increase of estrogen after pregnancy will cause nipples, areola and vulva to show skin and mucous membrane coloring phenomenon, which is relatively darker than that in non-pregnant state. This is a normal physiological phenomenon, and clinical treatment is not required. 2. Clinically, it is necessary to rule out the possibility of certain diseases. If it is accompanied by skin color darker and darker than before, it may be caused by liver disease. It is recommended to go to the hospital to do corresponding examinations to rule out the possibility of liver cirrhosis. It is recommended to do B ultrasound and blood tests. Nipples and vulva showing blackness are clinically related to estrogen elevation. Estrogen will also increase when liver cirrhosis occurs. 3, in the clinical performance of early pregnancy, it will also cause nipples and vulva to show symptoms of blackening.