The sex ratios of Black births

The American Journal of Human Genetics

1950 • 5,048 citations

The biology of twinning in man

1970 • 571 citations

Obstetrics and Gynecology

2022 • 401 citations

Human Fertility: The Basic Components.

1978 • 345 citations

Sex ratio in spontaneous abortions

1983 • 157 citations

Advances in Human Genetics

1972 • 146 citations

AN ANALYSIS OF GEISSLER'S DATA ON THE HUMAN SEX RATIO

1958 • 120 citations

Sex ratio at birth in territories with a relatively complete registration

1967 • 108 citations

Chromosomes and abortion.

1971 • 103 citations

TIME OF FERTILISATION AND SEX OF INFANTS

1980 • 103 citations

Gonadotrophin and the human secondary sex ratio.

1982 • 96 citations

Sex ratio and the sex composition of the existing sibs

1975 • 95 citations

Gonadotrophin and the human secondary sex ratio.

1980 • 86 citations

Maternal age, parity* social class and sex ratio

1977 • 81 citations

PITUITARY GONADOTROPHIN AND DIZYGOTIC TWINNING

1964 • 81 citations

SERUM LEVELS OF GONADOTROPHINS IN RELATION TO MULTIPLE PREGNANCY IN NIGERIA

1973 • 72 citations

Serum gonadotropin levels in Japanese women.

1975 • 69 citations

The incidence of spontaneous abortion

1970 • 47 citations

Notes towards an epidemiology of spontaneous abortion.

1963 • 43 citations

Sex ratio of live‐born Hausa infants

1982 • 31 citations

Mortalite intra-uterine et fecondabilite

1964 • 20 citations

Chromosomes and abortions.

1970 • 20 citations

Sex ratio of live births in south-western Nigeria

1975 • 18 citations

On the Sex Ratio in Man

1957 • 18 citations

La proportion des sexes dans les conceptions humaines

1937 • 6 citations

We sent this letter to the author whose reply is below

1982 • 1 citations