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Identification of 371 genetic variants for age at first sex and birth linked to externalising behaviour

  • eQTLgen Consortium
  • , BIOS Consortium
  • , Management Team
  • , Cohort collection
  • , Data Generation
  • , Data management and computational infrastructure
  • , Data Analysis Group
  • , Human Reproductive Behaviour Consortium
  • , Lifelines Cohort Study
  • University of Oxford
  • École Nationale de la Statistique et de L’administration Économique (ENSAE)
  • INSEE
  • Uppsala University
  • University of Groningen
  • Isfahan University of Medical Sciences
  • Ontario Institute for Cancer Research
  • The University of Chicago
  • Agency for Science, Technology and Research, Singapore
  • Leiden University
  • Johns Hopkins University
  • Leipzig University
  • European Molecular Biology Laboratory
  • Vrije Universiteit Amsterdam
  • University of Washington
  • Oncode Institute
  • Utrecht University
  • University of Tartu
  • Massachusetts Institute of Technology
  • University of Exeter
  • Georgia Institute of Technology
  • University of Bristol
  • Tampere University
  • University of Helsinki
  • Icahn School of Medicine at Mount Sinai
  • University of Lausanne
  • CIC BioGUNE
  • Ikerbasque Basque Foundation for Science
  • University of Queensland
  • Helmholtz Zentrum München - German Research Center for Environmental Health
  • Ludwig Maximilian University of Munich
  • German Centre for Cardiovascular Research
  • University of Greifswald
  • Research and Innovation
  • Garvan Institute of Medical Research
  • Technical University of Munich
  • Kaiser Permanente
  • University of Turku
  • Maastricht University
  • Karolinska Institutet
  • Radboud University Nijmegen
  • Erasmus University Rotterdam
  • University of Westminster
  • Luleå University of Technology
  • Wenzhou Medical University
  • Swiss Institute of Bioinformatics
  • University of Cape Town
  • University of Colorado Boulder
  • University of Trieste
  • Brigham and Women’s Hospital
  • Harvard University
  • New York University
  • Research Institute for Industrial Economics
  • National Bureau of Economic Research
  • IRCCS Ospedale Infantile Burlo Garofolo - Trieste
  • University of Edinburgh
  • Emory University
  • University of North Carolina at Chapel Hill
  • Universidade Federal de Pelotas
  • University of Kentucky
  • Adelaide University
  • South Australian Health And Medical Research Institute
  • Stockholm School of Economics
  • University of Cambridge
  • Queensland Institute of Medical Research
  • Qatar Foundation HQ
  • University of Tartu
  • Boston Children's Hospital
  • Michigan State University
  • University of Copenhagen
  • University College London
  • deCODE Genetics
  • Johannes Gutenberg University Mainz
  • Montpellier Business School
  • Statens Serum Institut
  • University of Bologna

Research output: Contribution to journalArticlepeer-review

Abstract

Age at first sexual intercourse and age at first birth have implications for health and evolutionary fitness. In this genome-wide association study (age at first sexual intercourse, N = 387,338; age at first birth, N = 542,901), we identify 371 single-nucleotide polymorphisms, 11 sex-specific, with a 5–6% polygenic score prediction. Heritability of age at first birth shifted from 9% [CI = 4–14%] for women born in 1940 to 22% [CI = 19–25%] for those born in 1965. Signals are driven by the genetics of reproductive biology and externalising behaviour, with key genes related to follicle stimulating hormone (FSHB), implantation (ESR1), infertility and spermatid differentiation. Our findings suggest that polycystic ovarian syndrome may lead to later age at first birth, linking with infertility. Late age at first birth is associated with parental longevity and reduced incidence of type 2 diabetes and cardiovascular disease. Higher childhood socioeconomic circumstances and those in the highest polygenic score decile (90%+) experience markedly later reproductive onset. Results are relevant for improving teenage and late-life health, understanding longevity and guiding experimentation into mechanisms of infertility.

Original languageEnglish
Pages (from-to)1717-1730
Number of pages14
JournalNature Human Behaviour
Volume5
Issue number12
DOIs
Publication statusPublished - Dec 2021
Externally publishedYes

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