Fetal Growth Restriction Clinical Trial
Official title:
A Cohort for Severe Placental Fetal Growth Restriction (CoSFGR)
Through multicenter study, the investigators aim to refine the process for precise prenatal diagnosis of fetal growth restriction (FGR), establish a cohort for severe maternal vascular malperfusion (MVM)-FGR, and conduct follow-up study to identify prognostic factors associated with both short-term and long-term outcomes.
FGR refers to the inadequate growth of the fetus due to various pathological factors, and is a major cause of morbidity and mortality in neonates, with close link to adverse long-term outcomes. This cohort will based on the establishment of a precise prenatal diagnostic process for FGR, and aims to establish a cohort for severe MVM-FGR. Severe singleton FGR cases (EFW or AC<3%, or EFW<10% with abnormal doppler blood flow) from multiple centers will be included. Prenatal genetic and microbial testing, and ultrasound will be performed to rule out associated fetal factors. Fetal intrauterine status will be closely monitored and assessed during pregnancy, with follow-up studies conducted up to 2 years of age. Pathological examination of the placenta will be conducted after delivery, with genetic testing when necessary. ;
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