The time lapsed between marriage and first birth.
The lengths of intervals between births to women in the population.
Synonyms: Birth Interval, First Birth Interval, Birth Spacings, First Birth Intervals, Pregnancy Intervals, Birth Intervals, Birth Spacing, Pregnancy Interval
Instance information
comment
use BIRTH INTERVALS to search CHILD SPACING 1979-92 ,human only; may be used in physiol or family planning context ,80; CHILD SPACING was see BIRTH INTERVALS 1979-92
identifier
D001721