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The reason for the lack of data comes down to a number of factors, Pisanski explains in an article for Quartz. Pisanski tells Chiu that anecdotal evidence of voice changes during and after pregnancy can be found in the past, though this is the first scientific study to quantify how giving birth affects a woman’s voice. “Our results show that, despite some singers noticing that their voices get lower while pregnant, the big drop actually happens after they give birth,” Pisanski says in a news release. The researchers, however, note that big voices changes happen postpartum. She told the audience: “When I wrote that song, I was heavily pregnant” and that she experienced a lower, deeper voice.
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This may be why, reports The Washington Post’s Allyson Chiu, the singer Adele had trouble hitting certain notes during a concert last year. “Our results demonstrate that pregnancy has a transient and perceptually salient masculinising effect on women’s voices,” the authors said in a statement. The work is published in the journal Evolution and Human Behavior. New mothers also had less variation in their pitch. In addition, their highest pitch on average dropped by more than two steps. Included in the study group and control group were singers, actresses, journalists and celebrities.Īfter crunching the data, the team found that on average the voice pitch of new mothers dropped by more than 5 percent, or the equivalent of a half step on the piano. But the change is temporary, usually reverting back after about a year.įor the study, lead researcher Kasia Pisanski of the University of Sussex’s School of Psychology and her team tracked a group of 20 women who were pregnant and 20 age-matched women who had never given birth via 600 voice recordings over a 10-year period - five years before and five years after pregnancy for the mothers in the study. Now, as The Guardian reports, scientists have isolated a new postpartum change: after giving birth to their first child, women's voices really do tend to drop and become more monotonous.
#When will my voice change skin
The comedy-drama alludes to how, following pregnancy, women have reported experiencing a whole host of changes, including hair loss, depression, dry skin and hot flashes. If you caught Tully recently, you saw Charlize Theron portray a woman who experiences the highs, but also the lows of life as a new mother.