Sex differences in fetal size early in pregnancy.
Wald
N
N
Cuckle
H
H
Nanchahal
K
K
Turnbull
A C
AC
D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006801:Humans; D008297:Male; D011247:Pregnancy; D012737:Sex Factors