Herpes gestationis

Recognizing, Diagnosing, and Managing Pregnancy Dermatoses

“…The incidence of PG is estimated to be approximately 1 in 50,000 to 1 in 60,000 pregnancies. [3][4][5] Although most cases of PG develop during pregnancy, a minority have been reported in association with trophoblastic tumors, such as hydatidiform mole and choriocarcinoma. [6][7][8] Several studies have found that PG occurs most commonly during the second or third trimester of pregnancy.…”

Pemphigoid gestationis: current perspectives

“… 5 – 8 The incidence is estimated to be approximately 1 in 60,000 pregnancies. 9 , 10 The disease shows a worldwide distribution 2 , 5 , 6 , 8 , 11 , 12 and no differences in ethnicity. 13 The median age of affected women varies between 17 and 41 years, with a median age of onset around 26–32 years.…”

Dermatological Diseases Associated with Pregnancy: Pemphigoid Gestationis, Polymorphic Eruption of Pregnancy, Intrahepatic Cholestasis of Pregnancy, and Atopic Eruption of Pregnancy

“…The disease commonly presents in the second or third trimester of pregnancy [ 2 , 3 ] but cases have also been reported in the first trimester and postpartum period [ 2 , 4 , 5 ]. The incidence is approximately 1 in 60.000 [ 6 , 7 ] pregnancies and the disease shows a worldwide distribution. The pathogenesis is not yet fully established but an association with the haplotypes HLA-DR3 in 61–80% of patients and HLA-DR4 in 52-53% of patients has been delineated [ 8 ].…”