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.
[11 Facts Every Parent Should Know About Their Baby's Brain] Harkany added that the effects of prenatal marijuana exposure could even last into adulthood. The drug could have direct effects, or it could sensitize the brain to future drug exposure or neuropsychiatric illnesses. Pot during pregnancy