The human sex ratio. Part 1: A review of the literature.

Statistical Methods for Research Workers

1945 • 11,140 citations

INFERTILITY IN MALE PESTICIDE WORKERS

1977 • 649 citations

Sex Ratio Variation in Mammals

1986 • 634 citations

The biology of twinning in man

1970 • 571 citations

An immunoreactive theory of selective male affliction

1985 • 246 citations

Do Sex Preferences Really Matter?

1976 • 228 citations

Association of the Type and Time of Insemination within the Menstrual Cycle with the Human Sex Ratio at Birth

1974 • 216 citations

Gender of Infants Conceived on Different Days of the Menstrual Cycle

1979 • 143 citations

Birth Order, Family Configuration, and Verbal Achievement

1974 • 140 citations

The Meaning of Binomial Distribution

1960 • 136 citations

Hormonal control of sex ratio

1986 • 127 citations

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

1958 • 120 citations

Fertility, fecundity, famine: food rations in the dutch famine 1944/5 have a causal relation to fertility, and probably to fecundity.

1975 • 120 citations

CIGARETTE SMOKING IN PREGNANCY

1962 • 116 citations

Characteristics of patients with placenta previa and results of “expectant management”

1978 • 108 citations

Sex ratio at birth in territories with a relatively complete registration

1967 • 108 citations

ALTERED SEX RATIO AFTER THE LONDON SMOG OF 1952 AND THE BRISBANE FLOOD OF 1965

1974 • 98 citations

Sex ratio and the sex composition of the existing sibs

1975 • 95 citations

The secondary sex ratio in the United States 1969–71: Association with race, parental ages, birth order, paternal education and legitimacy

1976 • 93 citations

Sex predetermination: Its impact on fertility

1971 • 92 citations

Factors affecting the Human Sex Ratio

1962 • 87 citations

Socio-economic factors and the sex ratio at birth

1971 • 86 citations

Preference for sons, family size, and sex ratio: an empirical study in Korea.

1983 • 85 citations

Therapeutic Donor Insemination

1954 • 82 citations

Maternal age, parity* social class and sex ratio

1977 • 81 citations

Sex ratio of white births in the United States during the Second World War.

1954 • 79 citations

Sex Liability to Single Structural Defects

1978 • 79 citations

Paternal-age and birth-order effect on the human secondary sex ratio.

1985 • 77 citations

Statistical Study Of The Sex Ratio At Birth

1936 • 74 citations

Parental smoking and perinatal mortality

1967 • 74 citations

Dibromochloropropane-induced Reduction of the Sex-ratio in Man

2009 • 65 citations

The sex ratio of infants born after hormonal induction of ovulation

1985 • 64 citations

Raised mortality from lung cancer and high sex ratios of births associated with industrial pollution.

1985 • 63 citations

Parental age, parity and sex ratio in births in England and Wales, 1968–77

1985 • 62 citations

ABO BLOOD GROUPS AND HUMAN SEX RATIO AT BIRTH

1975 • 61 citations

The Adaptive Value of Male-Biased Sex Ratios Among Stressed Animals

1984 • 60 citations

Second survey Of secular trends in twinning rates

1982 • 60 citations

Hepatitis B Virus and Sex Ratio of Offspring

1978 • 59 citations

The sexes of consecutive sibs in human sibships.

1967 • 56 citations

The sex ratios of Black births

1984 • 55 citations

Paternal effects on the human sex ratio at birth: evidence from interracial crosses.

1984 • 54 citations

Immunogenetic Factors in Preeclampsia and Eclampsia

1976 • 54 citations

New methods for the analysis of sex ratio data independent of the effects of family limitation

1982 • 50 citations

Methods for the Identification of Lexian, Poisson and Markovian Variations in the Secondary Sex Ratio

1984 • 50 citations

Sex ratio in twin births

1975 • 49 citations

Sex ratio: a statistical association with the type and time of insemination in the menstrual cycle.

1970 • 47 citations

SEX OF THE FŒTUS IN ANTEPARTUM HÆMORRHAGE

1965 • 46 citations

DO TRANSPLACENTAL HORMONES CAUSE ECLAMPSIA ?

1955 • 44 citations

Seasonal variation in the American live birth sex ratio.

1953 • 44 citations

Influence of sex of antecedent siblings on the human sex ratio

1984 • 44 citations

COMBINATIONS AND SEQUENCES OF SEXES IN HUMAN FAMILIES AND MAMMAL LITTERS

1951 • 41 citations

Sex‐ratio data analysed independently of family limitation

1966 • 39 citations

Sex ratio in the progeny of mothers with toxemia of pregnancy.

1976 • 38 citations

Chromosome analysis of ectopic human conceptuses***

1981 • 38 citations

The sex ratio of Oriental births

1985 • 38 citations

Three patterns of seasonality in American births

1971 • 37 citations

A Critical Examination of the Reputed Primary Influence of ABO Phenotype on Fertility and Sex Ratio

1957 • 37 citations

Pregnancy‐induced hypertension in twin pregnancy

1984 • 34 citations

Embryonic development in ectoptic human pregnancy

1976 • 34 citations

An unusual sex ratio of births in an industrial town with mortality problems

1984 • 33 citations

Fetal sex and pre‐eclampsia in primigravidae

1983 • 33 citations

Sex ratio of live‐born Hausa infants

1982 • 31 citations

Hepatitis B virus and sex ratio of offspring in East Greenland.

1986 • 31 citations

A factorial analysis of sex ratio data

1961 • 31 citations

Sex ratio, dominance status and maternal hormone levels at the time of conception

1985 • 30 citations

THE PAEDIATRIC ASPECTS OF ADVANCED ABDOMINAL PREGNANCY

1969 • 29 citations

The Sex Ratio of Human Births related to Maternal Age

1950 • 29 citations

ARTIFICIAL INSEMINATION

1941 • 28 citations

Preconception selection of sex in man.

1981 • 28 citations

Factors influencing the sex ratio at birth in Australia, 1902–65

1969 • 28 citations

Pre-eclampsia with the nephrotic syndrome

1978 • 26 citations

Timing of Fertilization and the Sex Ratio of Offspring

1983 • 26 citations

SMOKING DURING PREGNANCY

1965 • 26 citations

Term ovarian pregnancy with delivery of a live female infant

1982 • 26 citations

Markov chain clustering of births by sex

1972 • 25 citations

The Effects of Altering the pH of Seminal Fluid on the Sex Ratio of Rabbit Offspring

1976 • 25 citations

Maternal dietary sodium chloride levels affect the sex ratio in rat litters

1986 • 25 citations

Influence of Birth Order and Maternal Age on the Human Sex Ratio at Birth

1953 • 24 citations

THE EFFECTS OF THE AGE OF THE MOTHER ON THE SEX RATIO AT BIRTH IN JAPAN

1954 • 24 citations

Hepatitis B Virus and Sex Ratio on Kar Kar Island

2000 • 24 citations

[Sex ratio of children of fathers with spermatic disorders following hormone therapy].

1980 • 23 citations

The Sex Ratio, Fertility, and Ancestral Longevity

1941 • 23 citations

Gender of Offspring after Oral-Contraceptive Use

1976 • 22 citations

Chromosomal Analysis and Health Status of Children Conceived to Men During or Following Dibromochloropropane-Induced Spermatogenic Suppression

2009 • 22 citations

Smoking and prematurity. A preliminary report based on study of 7740 Causasians.

1965 • 22 citations

ALTERED SEX RATIO AFTER AN OUTBREAK OF HEPATITIS

1973 • 22 citations

Seasonal Changes in Obstetrical Phenomena¹

1965 • 22 citations

Is the sex ratio between boys and girls correlated to the sex of precedent children?

1956 • 21 citations

Relationships between early mortality and sex ratio: changes over the last century in Italy

1983 • 21 citations

The changing sex ratio in Japan

1981 • 20 citations

The effect of a northern climate on seasonality of births and the outcome of pregnancies.

1971 • 20 citations

Recent secular trends in dizygotic twinning rates in Europe

1986 • 19 citations

ORAL CONTRACEPTION AND SEX RATIO AT BIRTH

1974 • 18 citations

Studies in the human sex ratio. 5. A genetic explanation of the wartime increase in the secondary sex ratio.

1958 • 18 citations

Sex ratio of live births in south-western Nigeria

1975 • 18 citations

Note on the Takahashi effect

1972 • 18 citations

Il Sesso dal Punto di Vista Statistico. Part I. Le Leggi Della Produzione dei Sessi.

1910 • 17 citations

GENETICS OF INTERRACIAL CROSSES

1966 • 17 citations

Influence de l'alimentation minérale de la truie sur le taux de masculinité à la naissance

1982 • 17 citations

Cytogenetic studies of ectopic pregnancies

1974 • 17 citations

ABO blood groups and sex ratio at birth.

1972 • 17 citations

Placenta praevia and sex ratio at birth.

1986 • 17 citations

Investigations on the changes of sex ratio in Germany from 1826 up to 1978.

1981 • 16 citations

Smoking and Prematurity in the Presence of Other Variables

1966 • 16 citations

SEASON OF BIRTH IN NEW SOUTH WALES

1978 • 16 citations

Relations entre la composition des familles et le taux de masculinité

1955 • 15 citations

Paternal factors affect the human secondary sex ratio in interracial births.

1986 • 15 citations

The sex ratio of Igbo births

1984 • 14 citations

The Billings Method: Controlling Fertility Without Drugs or Devices

1981 • 14 citations

PHYSICAL AND PSYCHOLOGICAL VARIATION AND THE SEX RATIO

1961 • 14 citations

Sons and daughters — a sex preselection study

1985 • 14 citations

Seasonality in the sex ratio of US Black births

1984 • 14 citations

NOTE ON WOODS' PAPER ON PARENTAL INSTINCT

1940 • 14 citations

Die Eklampsiefälle im Freistaat Sachsen in den letzten 10 Jahren

1931 • 13 citations

Paranatal Complications Are Not Associated with Affective Disorders in the Offspring of Bipolar Manic-Depressives

1982 • 13 citations

The sex ratio at birth of the Korean population

1959 • 13 citations

The relationship between the occupational status of individuals and the sex ratio of their offspring.

1956 • 13 citations

Sex of offspring of women using oral contraceptives, rhythm, and other methods of birth control around the time of conception

1982 • 13 citations

ORAL CONTRACEPTION AND SEX RATIO AT BIRTH

1974 • 13 citations

Evaluation of an unsuccessful sex Preselection clinic in Singapore

1978 • 13 citations

SEX RATIO AND SEASON OF BIRTH

1971 • 12 citations

Sex ratio among human embryos and newborns in a Russian population

1973 • 12 citations

Notes on Japanese birth statistics.

1952 • 12 citations

Sex ratio of offspring of patients with prostatic cancer.

1985 • 12 citations

SMOKING AND PREGNANCY

1964 • 12 citations

Human Sex Ratio and Maternal Immunity to Male Antigen

1963 • 11 citations

FŒTAL SEX IN ANTEPARTUM HÆMORRHAGE

1965 • 11 citations

[Preconceptional selection of sex using the ionic method. Dietary regime. Results of a 2 years' prospective clinical study].

1983 • 10 citations

Speculative Mechanisms Affecting Sex Ratio

1972 • 10 citations

Further observations on the ABO blood groups and the sex ratio.

1959 • 9 citations

The Detection of a Correlation between the Sexes of Adjacent Sibs in Human Families

1965 • 9 citations

INSEMINATION pH AND THE SEX RATIO IN RABBITS

1960 • 9 citations

Sex ratio in the Australian capital territory.

1970 • 9 citations

RECURRENT ABDOMINAL PREGNANCY

1971 • 8 citations

Seasonal variation of human sex ratio at birth and the modifying factors

1982 • 8 citations

The status of artificial insemination

1943 • 8 citations

Concurrent Intrauterine and Ovarian Pregnancy: A Case Report

1980 • 7 citations

SEX RATIO AND BLEEDING IN PREGNANCY

1966 • 7 citations

Advanced Abdominal Pregnancies: 2 Case Reports

1980 • 7 citations

TOBACCO SMOKE AS A POSSIBLE GENETIC MUTAGEN: PARENTAL SMOKING AND SEX OF CHILDREN1

1966 • 7 citations

Pre‐conceptional Sex Selection

1975 • 7 citations

Analysis of Information -- An Alternative Approach to the Detection of a Correlation between the Sexes of Adjacent Sibs in Human Families

1971 • 7 citations

ADVANCED SIMULTANEOUS INTRAUTERINE AND ABDOMINAL PREGNANCY

1975 • 6 citations

The alleged antecedent brother effect in sex ratio

1985 • 6 citations

Factors affecting the human sex ratio.

1961 • 6 citations

A comparison of rural and urban birth sex ratios for the total, the “white” and the “colored” U. S. populations

1949 • 6 citations

The effect of hormones on the sex ratio of infants following artificial insemination

1987 • 5 citations

Handedness of parents and sex of progeny

1986 • 5 citations

PRE-PREGNANCY ORAL CONTRACEPTION AND SEX RATIO AMONG SUBSEQUENT PROGENY

1973 • 5 citations

Maternal ABO Groups and the Sex Ratio of Live Births

1975 • 5 citations

Dizygotic twinning, cycle day of insemination, and erotic potential of Orthodox Jews.

1986 • 5 citations

The sex ratio at birth.

1919 • 4 citations

Sex distribution in sibships according to occupation of parents.

1981 • 4 citations

A Note on Stress and Sex Determination

1974 • 4 citations

Contraceptives and the conceptus II. Sex of the fetus and neonate after oral contraceptive use

1981 • 4 citations

[Measles and temporary increase in masculine births: coincidence or causality?].

1979 • 4 citations

Effect of assortative mating and family planning on the incidence of unisexual sibships.

1975 • 3 citations

ORAL CONTRACEPTION AND SEX RATIO

1974 • 3 citations

Abdominal pregnancy with vaginal leakage of amniotic fluid

1961 • 3 citations

[Seasonal fluctuations in the sex ratio of new borns and the influence of the declining birth rate on the sex ratio (author's transl)].

1979 • 3 citations

Full-term Extra-uterine Pregnancy with Living Child

1942 • 3 citations

The Role of Xg^a Blood Group Incompatibility in Fetal Loss — Twin study

1970 • 3 citations

Variation in the sex-ratio at birth

1969 • 3 citations

ADVANCED ABDOMINAL PREGNANCY.

1946 • 2 citations

The effect of artificial and spontaneous abortions on the secondary human sex ratio.

1980 • 2 citations

Sex ratio in ectopic gestations

1984 • 2 citations

ABO BLOOD-GROUPS AND SEX RATIO

1966 • 1 citations

Sex ratio in extrauterine pregnancies.

1974 • 1 citations

Coexistent advanced bilateral tubal pregnancy; report of a case.

1958 • 1 citations