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Maternal morbidity and mortality associated with interpregnancy interval: cross sectional study
1Latin American Centre for Perinatology and Human Development (CLAP), Division of Health Promotion and Protection, Pan American Health Organisation, World Health Organisation, Montevideo, Uruguay. condeagu@uniweb.net.co
BMJ (Clinical Research Ed.)
|November 18, 2000
Summary
Short interpregnancy intervals (less than 6 months) increase maternal death risk, while long intervals (over 59 months) are linked to pre-eclampsia and eclampsia. Optimal interpregnancy spacing is crucial for maternal health outcomes.
Area of Science:
- Obstetrics and Gynecology
- Reproductive Health
- Maternal-Fetal Medicine
Background:
- The interpregnancy interval, the time between pregnancies, is a critical factor influencing maternal and infant health.
- Previous research suggests both short and long intervals may be associated with adverse outcomes, but data from Latin America is limited.
Purpose of the Study:
- To investigate the association between interpregnancy interval length and a range of maternal morbidity and mortality outcomes.
- To provide evidence-based recommendations for optimal interpregnancy spacing to improve maternal health in Latin America and the Caribbean.
Main Methods:
- A retrospective cross-sectional study utilizing data from the Perinatal Information System database.
- Analysis included 456,889 parous women delivering singleton infants in Latin America and the Caribbean between 1985 and 1997.
- Outcomes assessed included maternal death, pre-eclampsia, eclampsia, gestational diabetes, third-trimester bleeding, premature rupture of membranes, postpartum hemorrhage, puerperal endometritis, and anemia.
Main Results:
- Short interpregnancy intervals (<6 months) were associated with significantly higher risks of maternal death, third-trimester bleeding, premature rupture of membranes, puerperal endometritis, and anemia.
- Long interpregnancy intervals (>59 months) were linked to increased risks of pre-eclampsia and eclampsia compared to an 18-23 month interval.
- 2.8% of women had short intervals, and 19.5% had long intervals.
Conclusions:
- Interpregnancy intervals shorter than 6 months and longer than 59 months are associated with increased risks of adverse maternal health outcomes.
- These findings highlight the importance of considering interpregnancy interval in preconception counseling and family planning strategies.
- Optimizing interpregnancy spacing can contribute to reducing maternal morbidity and mortality in the studied region.