dermatoses of pregnancy dermatoses of pregnancy dermatoses of pregnancy are the inflammatory skin diseases that are specific to women while they are pregnant. while some use the term 'polymorphic eruption of pregnancy' to cover these, this term is a synonym used in the uk for pruritic urticarial papules and plaques of pregnancy, which is the commonest of these skin conditions. dermatoses of pregnancyspecialtydermatology, obstetrics skin diseases seen during pregnancy include: frequencyonset in pregnancycondition 49.7%earlyeczema in pregnancy 21.6%latepruritic urticarial papules and plaques of pregnancy 4.25%saudi arabialateimpetigo herpetiformis 4.2%lategestational pemphigoid also termed pemphigoid gestationis, and previously called herpes gestationis 3%lateintrahepatic cholestasis of pregnancy may also be included in this list. 0.8%earlyprurigo gestationis 0.2%earlypruritic folliculitis of pregnancy latespangler's papular dermatitis of pregnancy linear igm dermatosis of pregnancy