Gestational age:Time:Pt:^Fetus:Qn:US+Estimated from TAD.Tokyo 1986
gestational age:time:pt:^fetus:qn:us+estimated from tad.tokyo 1986
Gestational age estimated from Transverse abdominal diameter on US by Tokyo 1986 method
gestational age estimated from transverse abdominal diameter on us by tokyo 1986 method