[Pruritic urticarial papules and plaques of pregnancy]

To define clinical presentation and therapy of pruritic urticarial apapules and plaques of pregnancy (PUPPP).

20 women between 21 and 34 years of age were included in the present investigation. 16 were primipara and four--multipara. Fifteen of the patients had one fetus and five--bigemini.

In all cases both rash and pruritus had developed in the third trimester. In five cases there were historic data for pruritus in the end of the pregnancy in the patients' mother. In all cases there were striae of pregnancy, papules and plaques in the abdominal area, in 12 on the extremities and in five cases on face. All cases ended with deliveries of healthy newborns, without other complications of pregnancy, delivery or puerperium.

PUPPP is the most frequent pruritic dermatosis of pregnancy. Our data supports statement, that PUPPP are more frequent in third trimester, in primipara and bigemini. The papules and plaques are in the abdominal area and extremities and pruritus always present.