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Fertility in the Mothers of Firstborn Homosexual and Heterosexual Men

Bibliographic Data

ID8356152
AuthorsRay Blanchard (0000-0002-4499-3521, University of Toronto, corresponding author)
Year2012
Volume41
Issue3
Pages551-556
Publication date2012-06-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueArchives of Sexual Behavior (JOURNAL)
Journal identifiersISSN: 0004-0002 • E-ISSN: 1573-2800
PublisherSpringer Science and Business Media LLC (PUBLISHER)
DOI10.1007/s10508-011-9888-0
PMID22187029
OpenAlexW2127339217
LanguageEN
Citations received15
References cited27

Biology · Birth order · Fertility · Firstborn · Heterosexuality · Homosexuality · Population · Proband · Demographic Trends and Gender Preferences · Demography · Genetics · LGBTQ Health, Identity, and Policy · Psychology · Reproductive Health and Technologies

  • Human social stratification and hypergyny

    Open Access•Julien Barthes, Bernard Godelle et al.•Evolution and Human Behavior•2013

  • The “female fertility–social stratification–hypergyny” hypothesis of male homosexual preference

    Open Access•Doug P Vanderlaan, Z H Garfield et al.•Evolution and Human Behavior•2014

  • Gay Male Only-Children

    Open Access•Malvina N Skorska, Ray Blanchard et al.•Archives of Sexual Behavior•2017

  • Further Data Concerning Blanchard’s (2011) “Fertility in the Mothers of Firstborn Homosexual and Heterosexual Men”

    Open Access•Gerulf Rieger, Ray Blanchard et al.•Archives of Sexual Behavior•2012

  • Sexual Orientation

    Open Access•Khytam Dawood•International Encyclopedia of the…•2015

  • The Eyes Have It

    Open Access•Gerulf Rieger, Ritch C Savin-Williams et al.•PLoS ONE•2012

  • Reassessing the Effect of Older Sisters on Sexual Orientation in Men

    Open Access•Ray Blanchard, Richard A Lippa•Archives of Sexual Behavior•2021

  • Testing Fraternal Birth Order Effects and Antagonistic Effects for Homosexual Men

    Open Access•Mary Raymond, Daniel Turek et al.•Archives of Sexual Behavior•2025

  • Are Sibship Characteristics Predictive of Same Sex Marriage? An Examination of Fraternal Birth Order and Female Fecundity Effects in Population-level Administrative Data from the Netherlands

    Christine Ablaza, Jan Kabátek et al.•The Journal of Sex Research•2022

  • Evidence of Cognitive Biases for Maximizing Indirect Fitness in Samoan Fa’afafine

    Open Access•Doug P Vanderlaan, Paul L Vasey•Archives of Sexual Behavior•2014

  • Offspring Production Among the Relatives of Istmo Zapotec Men and Muxes

    Open Access•Francisco R Gómez Jiménez, Scott W Semenyna et al.•Archives of Sexual Behavior•2020

  • Fraternal Birth Order, Family Size, and Male Homosexuality

    Open Access•Ray Blanchard•Archives of Sexual Behavior•2018

  • A Possible Second Type of Maternal–Fetal Immune Interaction Involved in Both Male and Female Homosexuality

    Open Access•Ray Blanchard•Archives of Sexual Behavior•2012

  • A Current Approach to Logistic Regression Analysis of Birth Order and Sexual Orientation

    Open Access•Ray Blanchard, Jan Kabátek et al.•Archives of Sexual Behavior•2025

  • Possible Balancing Selection in Human Female Homosexuality

    Open Access•Andrea Camperio Ciani, Andrea Ciani et al.•Human Nature•2018

  • Genetic factors predisposing to homosexuality may increase mating success in heterosexuals☆

    Open Access•Brendan P Zietsch, B ZIETSCH et al.•Evolution and Human Behavior•2008

  • Birth Weight, Sexual Orientation and the Sex of Preceding Siblings

    Open Access•Ray Blanchard, Lee Ellis•Journal of Biosocial Science•2001

  • The Relation of Birth Order to Sexual Orientation in Men and Women

    Open Access•Ray Blanchard, Kenneth J Zucker et al.•Journal of Biosocial Science•1998

  • Quantitative and theoretical analyses of the relation between older brothers and homosexuality in men

    Open Access•Ray Blanchard•Journal of Theoretical Biology•2004

  • Proportion of homosexual men who owe their sexual orientation to fraternal birth order

    Open Access•Ray Blanchard, A F Bogaert•American Journal of Human Biology•2004

  • Maternal Inheritance and Familial Fecundity Factors in Male Homosexuality

    Open Access•Qazi Rahman, Anthony Collins et al.•Archives of Sexual Behavior•2008

  • Sexual Orientation and Gender Identity After Prenatal Exposure to the Dutch Famine

    Open Access•Susanne R de Rooij, Rebecca C Painter et al.•Archives of Sexual Behavior•2009

  • Birth Order and Ratio of Brothers to Sisters in Spanish Transsexuals

    Open Access•Esther Gómez-Gil, Esther Gómez‐Gil et al.•Archives of Sexual Behavior•2011

  • How Many Gay Men Owe Their Sexual Orientation to Fraternal Birth Order

    Open Access•James M Cantor, Ray Blanchard et al.•Archives of Sexual Behavior•2002

  • Biodemographic comparisons of homosexual and heterosexual men in the kinsey interview data

    Open Access•Ray Blanchard, A F Bogaert•Archives of Sexual Behavior•1996

  • Family Size in White Gay and Heterosexual Men

    Open Access•Michael King, John Green et al.•Archives of Sexual Behavior•2005

  • Biodemographic and Physical Correlates of Sexual Orientation in Men

    Open Access•Gene Schwartz, Rachael M Kim et al.•Archives of Sexual Behavior•2010

  • Male Sexual Orientation in Independent Samoa

    Open Access•Doug P Vanderlaan, Paul L Vasey•Archives of Sexual Behavior•2011

  • Birth Order, Sibling Sex Ratio, Handedness, and Sexual Orientation of Male and Female Participants in a BBC Internet Research Project

    Open Access•Ray Blanchard, Richard A Lippa•Archives of Sexual Behavior•2007

  • Sibling Sex Ratio and Birth Order in Early-Onset Gender Dysphoric Adolescents

    Open Access•Sebastian E E Schagen, Henriette A Delemarre-van de Waal et al.•Archives of Sexual Behavior•2012

  • New Evidence of Genetic Factors Influencing Sexual Orientation in Men

    Open Access•Francesca Iemmola, Andrea Camperio Ciani et al.•Archives of Sexual Behavior•2009

Unique citing works15
Citations per year1,07
Citation span2012 - 2025 (14)
Citation velocityrecent
Highly citedNo
Citation typesNeutral: 11

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