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
Weight of abortus is -
assistant
The correct answer is  Ans. is 'c' i.e., <500 gms * The National Center for Health Statistics defines an "abortus" as " fetus or embryo removed or expelled from the uterus during the first half of gestation--20 weeks or less, or in the absence of accurate dating criteria, born weighing < 500 g."