What are the risks of smoking marijuana while pregnant?

Researchers mostly study the effects of marijuana use during pregnancy on animals. Experts say exposure to THC can affect a baby’s brain development. Babies born to mothers who smoke marijuana during pregnancy don’t have serious signs of withdrawal. However, other changes may be noted. read more

March 25, 2003 -- Smoking marijuana during pregnancy may cause lasting behavioral and mental defects in the child. A new study in animals suggests that children who are exposed to marijuana in the womb may suffer from a variety of long-term problems even if they aren't born with obvious birth defects. read more

Another study showed that children of pot-smoking-while-expecting moms showed poorer reading comprehension skills at age 6 and at age 14 scored lower on spelling, math and reading tests than their peers whose mothers didn't use marijuana while they were pregnant. read more