Trans-ethnic meta-analysis of genome-wide association studies identifies maternal ITPR1 as a novel locus influencing fetal growth during sensitive periods in pregnancy.
Abnormal fetal growth is a risk factor for infant morbidity and mortality and is associated with cardiometabolic diseases in adults.Genetic influences on fetal growth can vary at different gestation times, but genome-wide association studies have been limited to birthweight.We performed trans-ethnic genome-wide meta-analyses and fine mapping to ide