National Vital Statistics System

31. Sex of child

Category: Newborn Information

BC # 3

FDFWS # 27

FDR # 3

Definitions, instructions, sources, keywords and abbreviations
Definitions The sex of the infant based on physical characteristics presented at birth.
Instructions Enter whether the infant is male or female. If the sex of the infant is ambiguous and not yet determined, enter “unknown.”
Sources 1st  Delivery record under – Infant data
Keywords and Abbreviations

M – Male

F – Female

A – Ambiguous or Not yet determined (same as unknown)

U – Unknown

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