Analysis of multiple birth rates in Japan. 1. Secular trend, maternal age effect, and geographical variation in twinning rates.

Imaizumi, Y

Analysis of multiple birth rates in Japan. 1. Secular trend, maternal age effect, and geographical variation in twinning rates. [electronic resource] - Acta geneticae medicae et gemellologiae 1979 - 107-24 p. digital

Publication Type: Journal Article

0001-5660

10.1017/s0001566000009144 doi


Adult
Birth Rate
Demography
Female
Humans
Japan
Male
Maternal Age
Middle Aged
Pregnancy
Triplets
Twins