my usg report says - single foetus with changing lie, foetal heart rate 162 beats/min, this not an anomaly scan. Amniotic fluid is adequate.One pocket measures 3 cm. BPD 3.2cm,femur length 1.8cm,AC 9.7CM.Foetal Wt 133gms.Mean gestational age 16weeks.Placenta is anterior and low lying, lower margin of placenta is just above the internal OS. Placental maturity is grade-0.