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.
While the use of marijuana appears to relieve reported symptoms of nausea during pregnancy (though it didn't impact the rate of vomiting)4, women should be aware of the fact it has unproven fetal safety and other treatments for morning sickness may be safer.