Association between pre-pregnancy body mass index and the risk of preterm birth: a mediating effect of hypertensive disorders of pregnancy

Pi, Zixin; Chen, Yinghui; Nie, Zhimin; Peng, Jing; Jiang, Zhaoyang

doi:10.1080/14767058.2023.2224489

Cited by 1 publication

(1 citation statement)

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“…Fourth, maternal HDP might also impact offspring vision through inducing refractive error. 25 Finally, maternal HDP would increase the risk of cesarean delivery, 47 preterm birth, 48 and low birth weight 49 in offspring, all of which have potential adverse effects on the development of the brain and vision. 50 , 51 , 52 …”

Section: Discussionmentioning

confidence: 99%

Maternal Hypertensive Disorder in Pregnancy and Childhood Strabismus in Offspring

Zhu,

You,

Jing

et al. 2024

JAMA Netw Open

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ImportanceMaternal hypertensive disorder in pregnancy (HDP) might affect ocular health in offspring; however, its association with strabismus remains unclear.ObjectiveTo examine the association of maternal HDP with overall and type-specific strabismus in offspring.Design, Setting, and ParticipantsIn the Jiangsu Birth Cohort study, a population-based study in China, pregnant women were recruited from April 24, 2014, to November 30, 2018. A total of 6195 offspring had maternal HDP diagnosis information, of whom 3078 were excluded due to having no information on ocular alignment or due to having ocular diseases other than strabismus or refractive error. Offspring underwent ocular examinations at 3 years of age, completed May 21, 2022. Data were analyzed from May 28, 2022, through December 15, 2023.ExposureMaternal HDP, categorized into hypertension and preeclampsia or with blood pressure (BP) well controlled (systolic BP, &lt;130; diastolic BP, &lt;80 mm Hg) and poorly controlled (systolic BP, ≥130; diastolic BP, ≥80 mm Hg).Main Outcomes and MeasuresThe primary outcome was the incidence of strabismus in offspring. Poisson generalized linear mixed models were used to estimate the association between maternal HDP and strabismus.ResultsAmong the included 3117 children (mean [SD] age, 36.30 [0.74] months; 1629 boys [52.3%]), 143 (4.6%) were exposed to maternal HDP and 368 (11.8%) had strabismus. Offspring exposed to maternal HDP had an 82% increased risk of overall strabismus (relative risk [RR], 1.82 [95% CI, 1.21-2.74]), an 82% increased risk of exophoria (RR, 1.82 [95% CI, 1.11-3.00]), and a 136% increased risk of intermittent exotropia (RR, 2.36 [95% CI, 1.13-4.93]) compared with unexposed offspring. When considering the type of maternal HDP, the risk for all strabismus was high for offspring exposed to preeclampsia (RR, 2.38 [95% CI, 1.39-4.09]) compared with unexposed offspring. When considering the BP control level of maternal HDP, the risk for all strabismus was high for offspring born to mothers with HDP and poorly controlled BP (RR, 2.07 [95% CI, 1.32-3.24]) compared with unexposed offspring.Conclusions and RelevanceThese findings suggest that maternal HDP is associated with an increased risk of offspring strabismus. Early screening of strabismus might be recommended for offspring with maternal HDP. Further exploration of the underlying mechanism of the association between HDP and strabismus is warranted.

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