91av

Life

Pregnant women develop emotion-reading superpowers

By Linda Geddes

9 December 2009

91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Primed to protect her baby

(Image: Lisa Spindler/Getty)

RAGING hormones during pregnancy prompt mood swings, but may also lead to a heightened ability to recognise threatening or aggressive faces. This may have evolved because it makes future mothers hyper-vigilant, yet it could also make them more vulnerable to anxiety.

Previous studies have suggested that a woman’s ability to correctly identify fearful or disgusted facial expressions varies according to her stage of the menstrual cycle, with perception heightened on days associated with high levels of the hormone progesterone. Since levels of progesterone and other hormones rise dramatically in late pregnancy, Rebecca Pearson and her colleagues at…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with 91av events and special offers.

Sign up

To continue reading, today with our introductory offers

or

Existing subscribers

Sign in to your account
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop