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Higher Voice Higher Fertility

If you notice your voice has gone up a notch, you may want to find your partner and get to work. This interesting article talks about how there is a measurable increase in the pitch of a fertile women.

www.abc.net.au

From the article:

A woman raises the pitch of her voice during her most fertile period of the month in an unconscious boost to her femininity, according to a US study

Greg Bryant and Martie Haselton of the Center for Behavior, Evolution and Culture at the University of California in Los Angeles, report their finding in the journal Biology Letters.

The researchers asked 69 women to record their voice when they were at high and low fertility points in their menstrual cycle.

An analysis of the recordings revealed the closer a woman was to ovulation the more she raised her pitch.

The increase in tone was only slight - it wasn't Minnie Mouse on helium - but the peaks were enough to be picked up by the voice decoder and presumably by the male ear, as well.

The difference was the greatest on the two days preceding ovulation, when fertility within the cycle is the highest.

Curiously, this distinction only occurred when the volunteer, among the sentences she was asked to speak, introduced herself: "Hello, I'm a student at UCLA."

Lured
The scientists suggest the pitch change happens because men are lured to a more "feminine" voice in a woman - and women respond to the instinct.

Sexual signals and reproductive fitness are strongly associated with voice, which is why women are often drawn to men with the husky voice of the supposed alpha male.

"An important question remains...

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