Prenatal marijuana exposure and neonatal outcomes in Jamaica: an ethnographic study.

“Exposed and nonexposed neonates were compared at 3 days and 1 month old, using the Brazelton Neonatal Assessment Scale, including supplementary items to capture possible subtle effects.

There were no significant differences between exposed and nonexposed neonates on day 3.

At 1 month, the exposed neonates showed better physiological stability and required less examiner facilitation to reach organized states.

The neonates of heavy-marijuana-using mothers had better scores on autonomic stability, quality of alertness, irritability, and self-regulation and were judged to be more rewarding for caregivers.

CONCLUSIONS:

The absence of any differences between the exposed on nonexposed groups in the early neonatal period suggest that the better scores of exposed neonates at 1 month are traceable to the cultural positioning and social and economic characteristics of mothers using marijuana that select for the use of marijuana but also promote neonatal development.”

http://www.ncbi.nlm.nih.gov/pubmed/8121737

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