: gestational week, maternal age, amniotic fluid index measurement, modified myocardial performance in fetal echo and epicardial thickness of all cases will be evaluated. week of pregnancy, body mass index, fetal biometry, umbilical artery doppler, middle cerebral artery doppler measurements will be taken. Birth weight and fetal intensive care hospitalizations at the birth week of all cases will be recorded. All data will be evaluated with the appropriate statistical method.
In cases diagnosed as idiopathic polyhydramnios and healthy pregnancy between 24-40 weeks (total number of cases (100-120)), prospective fetal echocardiography will be performed to evaluate MPI and EFT.