Condition	Characteristics
Pruritic urticarial papules and plaques of pregnancy	Papules and plaques often start in stria; occurs in third trimester
Pruritic folliculitis of pregnancy	2- to 4-mm follicular papules and pustules; occurs in second or third trimester
Pruritus gravidarum	No rash; occurs in first trimester
Prurigo of pregnancy	Papules and nodules on extensor surfaces; occurs in any trimester
Pemphigoid gestationis (herpes gestationis)	Vesicles and bullae; occurs in second and third trimesters