al 34 (in Athens, Greece) which are studies performed outside this country. Similar findings were reported during second and thirdtrimesters showing significant positive correlation placental thickness and fetal weights in studies by Elachel et al 35 , Ohagwu et al 36 , De Paula et al 37 , Daskalis et al 34 , Sanin et al 38 , Habib 39 , Abu et al 31 , Clapp et al 40 , Kinare et al 41 and previous studies. 30,32,42 EFWs showed a progressive increase in value throughout gestation.