Pregnant. Want To Know Details Of Report

i am 21 week pregent now..i took tifa scan..I would like to know the details of below attached report. Spine: Spinal canal and Vertebra are normal FACE: both Orbits - Normal,Nose - normal, mouth - normal THORAX: heart beat is normal in morphology and position,Lungs are normal,No evidence of Pericardial or pleural effusion ABDOMEN: stomach is normal in position, Abdominal wall is normal,Liver ,both kidneysand urinary bladder are normal,No evidence of ascites , Umbilical cord is normal,Fetal Movements are normal. Impression: *Single live intra uterine foetus Gestational age 21 weeks 3 days... Single live intrauterine gestation in cephalic lie, Placenta :Posterior ,Grade I Liquor clear,adequeate for gestational age AFI:12 Foetal cardiac activity good,recorded on M-mode PRESENTATION : CEPHALIC B.P.D:54.1MM, F.L:37.5MM, A.C:156.1MM H.C:191.0 MM Foetal heart rate:136bpm Foetal weight:418gms EDD: According to LMP 08/05/2013 EDD:According to ultrasound 08/05/2013 Cervix:3.9 cms BOTH LIMBS:Both femora,tibia,humerii,radii,ulane,fibulae are normal,Both hands and feet are normal HEAD: midline structures-Normal,Both lateral ventricles - Normal,Posterior fossa structures -Normal,Noevidence of intracranial lesions