First of all pubic hair is involved in metabolism like any other hair in the body, so there is a certain amount of hair loss in the pubic area and it is normal. However, if the pubic hair loss is more severe and severely reduced, this may be related to the hormone levels in a woman’s body, which can occur if the body has low androgen levels. Secondly, if the androgen receptor in the vaginal hair follicle is not sensitive to hormones or some kind of defect, this phenomenon also occurs, usually no need to deal with, you can consume more animal liver, beef and lamb and other foods to increase androgen. Do not worry too much, amenorrhea, irregular menstruation or other symptoms, it is recommended to go to the hospital in time for sex hormone six examination, and timely drug treatment.