title: Can women detect cues to ovulation in other women's faces?
abstract: Recent research suggests that men find portraits of ovulatory women more attractive than photographs of the same women taken during the luteal phase. Only few studies have investigated whether the same is true for women. The ovulatory phase matters to men because women around ovulation are most likely to conceive, and might matter to women because fertile women might pose a reproductive threat. In an online study 160 women were shown face pairs, one of which was assimilated to the shape of a late follicular prototype and the other to a luteal prototype, and were asked to indicate which face they found more attractive. A further 60 women were tested in the laboratory using a similar procedure. In addition to choosing the more attractive face, these participants were asked which woman would be more likely to steal their own date. Because gonadal hormones influence competitive behaviour, we also examined whether oestradiol, testosterone and progesterone levels predict women's choices. The women found neither the late follicular nor the luteal version more attractive. However, naturally cycling women with higher oestradiol levels were more likely to choose the ovulatory woman as the one who would entice their date than women with lower oestradiol levels. These results imply a role of oestradiol when evaluating other women who are competing for reproduction.
authors.affiliation: Institute of Psychology, University of Bern, Fabrikstrasse 8, Bern 3012, Switzerland Center for Cognition, Learning, and Memory, University of Bern, Fabrikstrasse 8, Bern 3012, Switzerland janek.lobmaier@psy.unibe.ch.
authors.forename: Janek S
authors.identifier: http://orcid.org/0000-0001-8025-1616
authors.initials: JS
authors.lastname: Lobmaier
authors.affiliation: Institute of Psychology, University of Bern, Fabrikstrasse 8, Bern 3012, Switzerland.
authors.forename: Cora
authors.initials: C
authors.lastname: Bobst
authors.affiliation: Institute of Psychology, University of Bern, Fabrikstrasse 8, Bern 3012, Switzerland Center for Cognition, Learning, and Memory, University of Bern, Fabrikstrasse 8, Bern 3012, Switzerland.
authors.forename: Fabian
authors.initials: F
authors.lastname: Probst
mesh_terms: D000293:Adolescent; D000328:Adult; D003463:Cues; D004958:Estradiol / Q000097:blood; D005145:Face; D005149:Facial Expression; D005260:Female; D006801:Humans; D008183:Luteal Phase / Q000523:psychology*; D010060:Ovulation / Q000523:psychology*; D011374:Progesterone / Q000097:blood; D012463:Saliva / Q000737:chemistry; D013739:Testosterone / Q000097:blood; D014796:Visual Perception
chemical_list: D013739:Testosterone; D011374:Progesterone; D004958:Estradiol
keywords: face perception; fertility cue; intra-sexual competition; menstrual cycle; oestrogen; ovulation
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