ArticleAmerican journal of epidemiology2021
Interpregnancy Interval and Subsequent Severe Maternal Morbidity: A 16-Year Population-Based Study From California.
Article in American journal of epidemiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 2 of them syntheses that pooled it.
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Who cites it
14 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- "We adjusted for race": now what? A systematic review of utilization and reporting of race in American Journal of Epidemiology and Epidemiology, 2020-2021.Epidemiologic reviews · 2023Pooled it
- Short interpregnancy interval can lead to adverse pregnancy outcomes: A meta-analysis.Frontiers in medicine · 2022Pooled it
- Article
- Risk factors for the recurrence of severe maternal morbidity in first and second births in California, 1997 to 2020.American journal of obstetrics and gynecology · 2026Article
- Relationship between inter-pregnancy interval and risk of adverse maternal and neonatal outcomes in subsequent twin pregnancies.BMC pregnancy and childbirth · 2025Article
- Association of the time interval between first and last birth with obesity in middle-aged postmenopausal Chinese women: a cross-sectional study in southern China.Frontiers in medicine · 2025Article
- Effect of interpregnancy interval on the risk of gestational diabetes mellitus during a second pregnancy.BMC pregnancy and childbirth · 2024Article
- Fertility Has Been Framed: Why Family Planning Is Not a Silver Bullet for Sustainable Development.Studies in comparative international development · 2023Article
- Impact of the interpregnancy interval after cesarean delivery on subsequent perinatal risks: a retrospective study.Archives of gynecology and obstetrics · 2023Article
- The association between the interdelivery interval and early postpartum urinary incontinence in women who had consecutive vaginal deliveries: a retrospective cohort study.Annals of translational medicine · 2023Article
- Linked birth cohort files for perinatal health research: California as a model for methodology and implementation.Annals of epidemiology · 2023Article
- Association of long and short interpregnancy intervals with maternal outcomes.Journal of family medicine and primary care · 2022Article
- Is there an optimal inter-delivery interval in women who underwent trial of labor after cesarean delivery (TOLAC)?Reproductive health · 2022Article
- Leveraging a Longitudinally Linked Dataset to Assess Recurrence of Severe Maternal Morbidity.Women's health issues : official publication of the Jacobs Institute of Women's HealthArticle
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9 authors.
Funding
Abstract
Interpregnancy interval (IPI) is associated with adverse perinatal outcomes, but its contribution to severe maternal morbidity (SMM) remains unclear. We examined the association between IPI and SMM, using data linked across sequential pregnancies to women in California during 1997-2012. Adjusting for confounders measured in the index pregnancy (i.e., the first in a pair of consecutive pregnancies), we estimated adjusted risk ratios for SMM related to the subsequent pregnancy. We further conducted within-mother comparisons and analyses stratified by parity and maternal age at the index pregnancy. Compared with an IPI of 18-23 months, an IPI of <6 months had the same risk for SMM in between-mother comparisons (adjusted risk ratio (aRR) = 0.96, 95% confidence interval (CI): 0.91, 1.02) but lower risk in within-mother comparisons (aRR = 0.76, 95% CI: 0.67, 0.86). IPIs of 24-59 months and ≥60 months were associated with increased risk of SMM in both between-mother (aRR = 1.18 (95% CI: 1.13, 1.23) and aRR = 1.76 (95% CI: 1.68, 1.85), respectively) and within-mother (aRR = 1.22 (95% CI: 1.11, 1.34) and aRR = 1.88 (95% CI: 1.66, 2.13), respectively) comparisons. The association between IPI and SMM did not vary substantially by maternal age or parity. In this study, longer IPI was associated with increased risk of SMM, which may be partly attributed to interpregnancy health.
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