Gestational age:Time:Pt:^Fetus:Qn:US+Estimated from CRL.Jeanty 1984
gestational age:time:pt:^fetus:qn:us+estimated from crl.jeanty 1984
Gestational age estimated from Crown rump length on US by Jeanty 1984 method
gestational age estimated from crown rump length on us by jeanty 1984 method