Here are some reasons why: 1  Newborns make more bilirubin than adults do since they have more turnover of red blood cells. 2  A newborn baby's still-developing liver might not be able to remove enough bilirubin from the blood. 3  A baby's intestines absorb bilirubin that would normally leave the body in the stool (poop).
Women who use marijuana may smoke cigarettes, drink alcohol or use other street drugs, making it hard to know exactly how marijuana affects pregnancy. Some studies suggest that if you use marijuana during pregnancy, your baby may have problems, including: Premature birth.
A new study shows that women in the United States are increasingly using marijuana during pregnancy to treat morning sickness, the Associated Press reports. Almost four percent of pregnant women in 2014 said they had recently used marijuana, up from 2.4 percent in 2002, according to an analysis of annual drug use surveys.