To the Editor We were interested by the article from Retnakaran et al,1 who reported that the early (<18 weeks) gestational weight gain in 1164 pregnant women from Liuyang, China, was associated with the birth weight of their newborns.1 This led the authors to suggest that the first half of pregnancy may be a critical window for interventions to prevent macrosomia.
Rigalleau V, Cambos S, Blanco L. Early Weight Gain in Pregnancy and Infant Birth Weight: May Early Blood Glucose Level Play a Role? JAMA Pediatr. 2018;172(6):598. doi:10.1001/jamapediatrics.2018.0413
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