alexa Men’s Exposure to Women’s Odors:
ISSN: 2157-7536

Journal of Steroids & Hormonal Science
Open Access

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Research Article

Men’s Exposure to Women’s Odors: The Effect of Women’s Waist to Hip Ratio and Steroid Hormones

Ana Lilia Cerda-Molina1*, Leonor Hernández-López1, Javier Iván Borráz-León1, Claudio De la O-Rodríguez1 and Roberto Chavira-Ramírez2

1Departament of Ethology, National Institute of Psychiatry, Mexico

2Departament Reproductive Biology, National Institute of Medical Sciences and Nutrition, Mexico

*Corresponding Author:
Ana Lilia Cerda-Molina
Departament of Ethology, National Institute of Psychiatry
Mexico-Xochimilco 101, Col. San Lorenzo Huipulco
Tlalpan 14370. Mexico
Tel: 0155 41605109
Fax: 0155 56559980
E-mail: [email protected]

Received date: June 06, 2014; Accepted date: July 31, 2014; Published date: August 07, 2014

Citation: Cerda-Molina AL, Hernández-López L, Borráz-León JI, O-Rodríguez CDL, Chavira-Ramírez R (2014) Men’s Exposure to Women’s Odors: The Effect of Women’s Waist to Hip Ratio and Steroid Hormones. J Steroids Hormon Sci 5:141. doi:10.4172/2157-7536.1000141

Copyright: © 2014 Cerda-Molina AL et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Previous research has shown that axillar and vaginal odors from ovulating women are recognized by men, but no research has been done exploring whether body odors signal other physical attributes of women such as waist-to-hip ratio (WHR) or endocrine status. Our goal was to investigate whether testosterone increased in men after smelling axillary odors of women with different WHR and with low or high levels of steroid hormones. We measured men’s testosterone before and after 30 min of being exposed to fresh axillar odors collected from young women or a neutral odor as control situation. Men had to rate the attractiveness and intensity of the scent. We compared the response of men according to women’s WHR and salivary testosterone, estradiol and progesterone. Although the main literature commonly reports that men judge a WHR around 0.7 to be more visually attractive, our results showed that men rated samples of high WHR (0.75-0.84) and high estradiol women as more attractive. In addition, men’s testosterone increased after smelling the odors of high WHR, high estradiol and high testosterone women. High WHR women exhibited the highest testosterone and estradiol levels compared to the other WHR categories (0.66-0.74). We concluded that scents are cues that not only signal fertility but also physical attributes related to reproductive health.

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