system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
O'Sullivan & Mahan criteria is used in :--
assistant
The correct answer is  Diagnosis of Gestational Diabetes Mellitus (GDM ) is made following a 100 gm glucose load based on criteria laid down by O'Sullivan and Mahan.