Herpes gestationis (HG) (also known as "pemphigoid gestationis") .
Pruritic and urticarial papules and plaques of pregnancy (PUPPP).
Intrahepatic cholestasis of pregnancy (ICP) may present with intense pruritus.
Prurigo of pregnancy
Pruritic folliculitis of pregnancy
Herpes Gestationis H G (pemphigoid gestationis )
The incidence 1 in 50,000 pregnancies
Developing during the second or third trimester (mean onset, 21 weeks) & reported in the first trimester.
Intensely pruritic, urticarial lesions on the abdomen in half of the cases especially periumbilically , with a rapid progression to multiple, generalized bullae. Face, mucous membranes, palms, and soles : spared .
In the third trimester of pregnancy (mean, 31 weeks) with a mild form of intrahepatic bile secretory dysfunction.
Features : 1 -generalized pruritus with or without jaundice 2 -absence of primary skin lesions, (3) biochemical abnormalities consistent with cholestasis,( elevated serum bile acids (mean, 1349 mug/100 mL) and (4) resolution after delivery.