As autism rates continue to rise in the U.S., researchers are searching for reasons why. Even though children don’t typically show signs of autism until a few years after birth, some of the most significant risk factors may actually be encountered in-utero.

A new study finds children born to mothers who had preeclampsia — a complication during pregnancy in which a mother develops high blood pressure and often kidney damage — are as much as twice as likely to develop autism spectrum disorder.

READ FULL ARTICLE Curated publisher From CBS News