Pemphigoid gestationis | Erythematous urticarial papules and plaques that progress to tense blisters typically involving the umbilical region but may generalize |
Polymorphic eruption of pregnancy | Pruritic urticarial papules and plaques on abdominal striae that generalize and become polymorphic; sparing of the umbilical region is a characteristic finding |
Atopic eruption of pregnancy (AEP) | Pruritic eczematous lesions affecting typical atopic sites such as face, neck, and flexural surfaces (AEP type E); or presence of papules and prurigo nodules disseminated on trunk and limbs (AEP type P); or follicular papules and pustules on trunk (pruritic folliculitis of pregnancy) |
Intrahepatic cholestasis of pregnancy | Generalized pruritus without primary skin lesions; secondary skin lesions develop from scratching; jaundice may occur |