Generally speaking, 18 weeks pregnant with a lot of hair on the stomach belongs to the normal physiological phenomenon, if there are no other uncomfortable symptoms can not be treated, pay attention to observation can be. During pregnancy, due to the female after pregnancy placenta will secrete estrogen will lead to the body of estrogen increase, will promote the body hair growth, especially in the belly surface or pubic bone joint place, the growth of the hair is more more dense, if the pregnant woman without other adverse symptoms, is a normal physiological performance, usually without treatment, pay attention to observation. In addition to the symptoms of dense hair, pregnant women in pregnancy may also appear armpits, navel, abdominal skin color deepening, accelerated breast development, nipple color deepening, red, drowsiness, fatigue and other manifestations of the symptoms will gradually improve or disappear after delivery, the body growth of the hair may be with the decline in hormone levels slowly fall off. It is recommended that pregnant women pay attention to adjusting their diet, eat more fresh vegetables and fruits, try to supplement high-quality protein to promote fetal development, pay attention to body changes in life, and follow the doctor’s instructions for regular obstetric examination.