The effect of fertility treatment and socioeconomic status on neonatal and post-neonatal mortality in the United States

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2024年1月11日

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Meesha Sharma,
David C. Fineman,
Roberta L. Keller,
Emin Maltepe,
Paolo F. Rinaudo,
Martina A. Steurer

摘要

Objective

To determine the association between fertility treatment, socioeconomic status (SES), and neonatal and post-neonatal mortality.

Study design

Retrospective cohort study of all births (19,350,344) and infant deaths from 2014–2018 in the United States. The exposure was mode of conception—spontaneous vs fertility treatment. The outcome was neonatal (<28d), and post-neonatal (28d–1y) mortality. Multivariable logistic models were stratified by SES.

Result

The fertility treatment group had statistically significantly higher odds of neonatal mortality (high SES OR 1.59; CI [1.5, 1.68], low SES OR 2.11; CI [1.79, 2.48]) and lower odds of post-neonatal mortality (high SES OR 0.87, CI [0.76, 0.996], low SES OR 0.6, CI [0.38, 0.95]). SES significantly modified the effect of ART/NIFT on neonatal and post-neonatal mortality.

Conclusions

Fertility treatment is associated with higher neonatal and lower post-neonatal mortality and SES modifies this effect. Socioeconomic policies and support for vulnerable families may help reduce rates of infant mortality.