McGill University researchers at the Douglas Research Center have found evidence that heavy cannabis use during pregnancy can ...

Share on Pinterest Even occasionally using weed during the first trimester of pregnancy can negatively affect the development of a fetus. bymuratdeniz/Getty Images New research has shown that ...

The researchers found that babies born to marijuana users tended to weigh less and have smaller heads than other infants. Reuters Women who smoke marijuana during pregnancy may impair their baby’s ...

NEW YORK (Reuters Health) - Women who smoke marijuana during pregnancy may impair their baby's growth and development in the womb, a new study suggests. Poor fetal growth and reduced head ...