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
Earliest detectable congenital malformation by USG is?
assistant
The correct answer is  Ans. is 'c' i.e. AnencephalyWe could not get any adequate reference but there's no doubt about the answer. If anyone has adequate reference, please mail us at reviewofaiimspgmee.com.