Gynaecology & Obstetrics Herpes gestatioinalis is A Caused by Herpes virus B Autoimmune reaction to collagen XVII in basement membrane of skin C Neutrophilic degranulation at dermal - epidermal junction D Less severe in subsequent pregnancies. 💡 Explanation Herpes gestatioinalis is ✓ Correct Answer: B. Autoimmune reaction to collagen XVII in basement membrane of skin