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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
Fetal nuchal skin thickness is useful in detecting:
assistant
The correct answer is  Nuchal thickness should be less than 3 mm in 12 to 13 weeks It should be < 6 mm after 14 weeks and it is called as nuchal fold Nuchal thickness/fold > 6 mm after 14 weeks is suggestive of down's syndrome