Gestational age:Time:Pt:^Fetus:Qn:US+Estimated from TC.Chitkara 1987
gestational age:time:pt:^fetus:qn:us+estimated from tc.chitkara 1987
Gestational age:Time:Pt:^Fetus:Qn:US+Estimated from TC.Chitkara 1987
gestational age:time:pt:^fetus:qn:us+estimated from tc.chitkara 1987