Pregnancy-specific skin diseases 1, pregnancy pruritus, also known as intrahepatic cholestasis in pregnancy susceptible individuals in the sex hormone-induced disease. The metabolites of estrogen and progesterone affect bile acid metabolism, causing intrahepatic cholestasis. Often occurs in the fourth month to the end of pregnancy, itching often begins in the abdomen or hands and feet, gradually spread all over the body, may appear mild jaundice. 2, itchy urticarial papules and plaques of pregnancy The rash is mainly red, doughnut-like papules and plaques, but also herpes papules, blisters, target-shaped damage, ring or polymorphic doughnuts, which can be fused into a piece. 3, pregnancy itchy rash may be related to the atopic quality, early hairstyle seen in the third month of pregnancy, late hairstyle mostly seen in the seventh month, for mung beans large reddish or normal skin color pimples, itching intense. 4, pregnancy papular dermatitis can occur at any time, red or dark red pimples, after 7-10 days to subside, new rashes continue to occur, continue to labor and delivery to heal. 5, itchy folliculitis of pregnancy may be hormone-induced acne-like damage, starting in April-September of pregnancy, a large number of red follicular papules distributed on the trunk and limbs, pustules, subsiding within 2-4 weeks after delivery, has no effect on the health of the mother and child.