Cannabis exposure during pregnancy is not independently associated with lower birthweight among infants, according to data published in the journal Drug and Alcohol Dependence.

They reported that infants, on average, weighed no less than controls after researchers controlled for cofounders, particularly the maternal tobacco use.

Investigators also failed to observe “significant effects of marijuana use during pregnancy and preterm birth or healthcare utilization.”

The study’s findings are consistent with prior data suggesting “that the increased risk for adverse neonatal outcomes reported in women using marijuana in pregnancy is likely the result of coexisting use of tobacco and other cofounding factors and not attributable to marijuana use itself.”

See the original article at The Daily Chonric