(CNN) In what they call the largest study ever done, researchers found using marijuana while pregnant may increase the risk that a child will develop autism. Pregnant women who use marijuana, one study found, have a 2.3 times greater risk of stillbirth. The study did not capture the amount and type of marijuana the women used during pregnancy. Nor did the study know when during the pregnancy or how often women used it. "It helps with different conditions that they may have or for nausea and vomiting in pregnancy," El-Chaâr said.

Source: CNN August 10, 2020 15:22 UTC