Shift of the fetal sex ratio in hCG selected pregnancies at risk for Down syndrome.
Leporrier
N
N
Herrou
M
M
Leymarie
P
P
D000328:Adult; D006063:Chorionic Gonadotropin / Q000097:blood*; D004314:Down Syndrome / Q000175:diagnosis* / Q000453:epidemiology; D004958:Estradiol / Q000097:blood; D005260:Female; D006801:Humans; D008423:Maternal Age; D011237:Predictive Value of Tests; D011247:Pregnancy / Q000097:blood*; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis; D011446:Prospective Studies; D012307:Risk Factors; D012744:Sex Ratio
D006063:Chorionic Gonadotropin; D004958:Estradiol