Three patients of herpes gestationis, a rare dermatosis of pregnancy, are being described along with a short review of literaure on the recent immunological backdrop. The characteristic periumbilical cutaneous lesions with classical buflae en cocade appeared during the third trimester of pregnancy and were controlled with corticosteroids. Classical histopathological basal cell necrosis in all the three patients and C3 deposition on dermo-epidermal interface in two patients were demonstrated. Post partum exacerbation was noted in all the three patients. Re occurred after 13 weeks in one patient, the rest did not report for follow up.