What Does My Anomaly Scan Report Indicate?

I am 20 weeks pregnant but anomaly scan showing gestational age 19 weeks 1 day.. is my baby lagging in growth. My anomly scan report is Single alive intrautrine pregnancy, longitudionally poised,cephalic presentation, occiput to left posteriorly.placenta is anterior, upper and middle. Good fetal movement and cardic activity 146 beats/ min Foetal biometry Bpd= 43.4mm F.L= 30.9mm AC= 136 mm Gestational age: 19.weeks 1day EDD =27/9/2015 EFBW= 283 gms No gross fetal congenital anomaly Kindly tell me what report is saying is everything fine. I had one miscarriage before at 11 weeks