Reexamination of interpregnancy intervals and subsequent birth outcomes: evidence from U.S. linked birth/infant death records.

@article{Kallan1997ReexaminationOI,
  title={Reexamination of interpregnancy intervals and subsequent birth outcomes: evidence from U.S. linked birth/infant death records.},
  author={Jeffrey E. Kallan},
  journal={Social biology},
  year={1997},
  volume={44 3-4},
  pages={
          205-12
        }
}
This study examines the net effects of the interpregnancy interval (time period from one birth to the next pregnancy) on the risks of preterm birth, intrauterine growth retardation, and infant mortality, for blacks and whites separately, using data from 1991 U.S. Linked Birth-Infant Death files. Results show that short (less than 7 months) and long (61+ months) intervals between pregnancies raise the risk of preterm birth and intrauterine growth retardation for both race groups, though the… CONTINUE READING

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