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Pregnancy May Lead To A Lower Voice Pitch

There are many changes that happen to a woman’s body while pregnant. On top of all of the changes that pregnant women go through in terms of weight gain or stretch marks, here is new research that indicates that there is a new change ladies can expect when pregnant, a lower pitched voice.

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The University of Sussex conducted the very interesting study. Over 600 voice recordings were researched to come to the new conclusion. The study took recordings from 20 women who had been pregnant and given birth, as well as 20 women who had never been pregnant. It was necessary to have the two different groups in order for the study’s theory to be properly examined.

All of the 600 voice clips were analyzed using software called "Praat." The software is a very popular open-source analysis program that is used for measuring various levels of human speech. It sounds kind of confusing, but in simple terms, it basically takes an in depth look at the way people speak.

Katarzyna Pisanski was part of the Sussex study and has shared their findings with Evolution & Behavior. What the researchers discovered is that pitch of new mothers’ voice drops after giving birth to their first child. However, the change only lasts about a year. The study also pointed out that most changes result in the new moms having more monotone voices during that time period.

Along with the 40 women in the study, Pisanski and her colleagues also used various recordings from women dating all the way to the 1970’s, when singers and voice professionals claimed having a baby changed the pitch of their voice. At the time, there was no data back up these claims, but the recordings were helpful for the study today. Fans may recall singer Adele spoke about her voice changing after she gave birth to her son in 2012.

One thing the study did not address is whether or not the women studied were aware of the change in their voice. Depending on how significantly lower the pitch is, a woman would have to notice the difference right? Either way it is a very interesting study that adds just one more thing that pregnancy changes for a woman, thankfully it does not last forever.

What do you think about the new study claiming pregnancy will lead to a lower voice pitch? Let us know in the comments!

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