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Master Birth History File

The CHNS Birth Master File and Birth History file contain information from the Ever-Married Women Surveys and is supplemented with births identified in the Child Parent Relationship (M12CPREL) file. This file contains only one observation per birth, even though the same birth may have been reported multiple times (no birth history data were collected in 1989 and 1997). The WAVE variable is only used to indicate the last survey for which birth history data are included.  This file consolidates Birth History data from 7 survey files:

1989 1991 1993 1997 2000 2004 2006 2009 2011
None       EMWTAB1
EMWTAB2
C93EMW2B None     C00EMW2 C04AT16 C06AT16 C09AT16 C11AT16

Click Birth Mast and Birth History for more info.

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