How reproductive hormonal changes affect relationship dynamics for women and men: A 15-day diary study

Francesca Righetti*, Josh Tybur, Paul Van Lange, Lea Echelmeyer, Stefanie van Esveld, Janique Kroese, Joyce van Brecht, Steven Gangestad

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review

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Abstract

Research suggests that women's sexual psychology and behavior change across the ovulatory cycle, but very little is known about how fluctuations in estradiol and progesterone – two hormones that systematically vary across the ovulatory cycle – affect romantic relationship dynamics. We present the first dyadic study to assess daily hormonal fluctuations and personal and relationship well-being from both partners’ perspectives. Specifically, we recruited women who were not using hormonal contraception and their partners for a 15-day diary study. Participants collected daily urine samples to assess estradiol, progesterone, and testosterone, and they responded to daily questions about their relationship. Results revealed that increases in estradiol negatively affected women's relationship evaluations. Men perceived these changes, which in turn, affected men's well-being. The present findings highlight the importance of women's hormonal fluctuations in shaping relationship dynamics and provide, for the first time, information about how such fluctuations affect male partners.
Original languageEnglish
Article number107784
Pages (from-to)1-8
Number of pages8
JournalBiological Psychology
Volume149
Early online date16 Oct 2019
DOIs
Publication statusPublished - Jan 2020

Keywords

  • Close relationships
  • Evolutionary psychology
  • Hormones
  • Ovulatory cycle
  • Sexuality

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