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Armpit Odour Can Exude Women's Fertility

Date:
January 13, 2006
Source:
Blackwell Publishing Ltd.
Summary:
Research published in the recent issue of Ethology has discovered that men are able to potentially use smell as a mechanism to establish when their current or prospective sexual partners are at their most fertile.

Research published in the recent issue of Ethology has discovered that men are able to potentially use smell as a mechanism to establish when their current or prospective sexual partners are at their most fertile.

Females of a number of primate species display their fertile period by behavioural and/or morphological changes. The prevalent opinion was that there are no noticeable changes in humans across the cycle. Havlíček et al, however, have found that women's axillary odour is assessed most attractive in the follicular phase i.e. in the time when conception is most likely.

One of the possible mechanisms for assessing menstrual cycle phase is by means of smell. Thus the researchers investigated possible changes in odour across the menstrual cycle in a sample of 12 women with regular menstrual cycle, not using hormonal contraception. To collect their body odour, they wore armpit pads for 24 hours under controlled conditions (food restrictions, no deodorants etc). Body odour was collected repeatedly during the menstrual, follicular and luteal cycle phase. Fresh samples were assessed namely for attractiveness and intensity by 42 men.

Axillary odour from women in the follicular phase was rated as the most attractive and least intense. On the other hand, highest intensity and lowest attractiveness was found during the time of menstrual bleeding.

The results suggest that body odour can be used by men as a cue to the fertile period in current or prospective sexual partners. Therefore, the fertile period in humans should be considered non-advertised, rather than concealed.

Notes:

The paper referred to is 'Non-Advertized does not Mean Concealed: Body Odour Changes across the Human Menstrual Cycle', Jan Havlíček, Radka Dvořáková, Luděk Bartoš and Jaroslav Flegr, Ethology.

Ethology publishes original contributions from all branches of behavioural research on all species of animals, both in the field and lab. It contains scientific articles of general interest in English language that are based on a theoretical framework. A section on "Current issues - perspectives and reviews" is included as well as theoretical investigations, essays on controversial topics and reviews of notable books. Further details of the journal are available at http://www.blackwellpublishing.com/eth

Blackwell Publishing is the world's leading society publisher, partnering with more than 600 academic and professional societies. Blackwell publishes over 750 journals annually and, to date, has published close to 6,000 text and reference books, across a wide range of academic, medical, and professional subjects. The company remains independent with 900 staff members in offices in the US, UK, Australia, China, Denmark, Germany, Japan, and Singapore. Blackwell's mission as an expert publisher is to create long-term partnerships with clients to enhance learning, disseminate research, and improve the quality of professional practice. For more information on Blackwell Publishing, please visit http://www.blackwellpublishing.com/ or http://www.blackwell-synergy.com/.


Story Source:

The above story is based on materials provided by Blackwell Publishing Ltd.. Note: Materials may be edited for content and length.


Cite This Page:

Blackwell Publishing Ltd.. "Armpit Odour Can Exude Women's Fertility." ScienceDaily. ScienceDaily, 13 January 2006. <www.sciencedaily.com/releases/2006/01/060113114542.htm>.
Blackwell Publishing Ltd.. (2006, January 13). Armpit Odour Can Exude Women's Fertility. ScienceDaily. Retrieved October 21, 2014 from www.sciencedaily.com/releases/2006/01/060113114542.htm
Blackwell Publishing Ltd.. "Armpit Odour Can Exude Women's Fertility." ScienceDaily. www.sciencedaily.com/releases/2006/01/060113114542.htm (accessed October 21, 2014).

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