Pregnancy belly hairy is usually related to the rise of hormone levels in the body. Generally speaking, after a woman is pregnant, there will usually be a rise in the level of hormones in the body, so most women will have a black color above the pubic bone joint to the abdomen, and even the symptoms of long hair, mainly related to the hormone level changes in the body after pregnancy, so it will cause physiological changes, the symptoms of long hair on the belly of the pregnant woman, most of the labor and delivery will disappear on their own, do not need special treatment. After pregnancy, women should have a good state of mind, relaxation, can not have anxiety, tension, depression and other emotions. At the same time also need to have a good diet, need to eat more vegetables and fruits, more water, regular maternity check.