Influence of birth order and maternal age on the human sex ratio at birth.

MACMAHON, B

Influence of birth order and maternal age on the human sex ratio at birth. [electronic resource] - British journal of preventive & social medicine Apr 1953 - 83-6 p. digital

Publication Type: Journal Article

0007-1242

10.1136/jech.7.2.83 doi


Birth Order
Family
Female
Fetus
Humans
Maternal Age
Parturition
Pregnancy
Sex Ratio