National Vital Statistics System

33. Plurality

Category: Newborn Information

BC # 52

FDFWS # 28

FDR # 33

Definitions, Instructions, Sources, Keywords and Abbreviations
Definitions

The number of fetuses delivered live or dead at any time in the pregnancy regardless of gestational age, or if the fetuses were delivered at different dates in the pregnancy.

“Reabsorbed” fetuses/”vanishing twin” (those that are not delivered: expulsed or extracted from the mother) should not be counted.

Instructions

Enter the number of fetuses delivered in this pregnancy.

If two or more live births in this delivery, see “Attachment to the Facility Worksheet for the Live Birth Certificate for Multiple Births.”

Sources

1st Delivery record

2nd Admission history and physical (H&P)

Keywords and Abbreviations

Single

Twin, triplet, quadruplet, etc. Multiple (a, b, c …) or  (1, 2, 3 …)

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Page last reviewed: August 6, 2019