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PositiveTip for

Another Reason Not to Smoke During Pregnancy

Prenatal exposure to cotinine was associated with increased risk of schizophrenia.

A prospective study in Finland from 1983 to 1998 has found maternal cotinine levels (one of many toxic substances in cigarette smoking), after adjusting for multiple confounders, conveyed a significant excess risk (2.6 to 3.4 times higher) for schizophrenia. When psychiatric disorders were explored for maternal and paternal histories there was no significant additional risk.

PositiveTip: The evidence is clear: maternal cigarette smoking is dangerous for the physical and mental health of the child.

PositiveTip for

Marijuana Use in Pregnant Moms

Pot smoking pregnant mothers likely to use other drugs as well.

A small study of mothers and their newborns found one quarter of those who tested positive for marijuana use also had evidence of other illegal drugs: 11.6% were positive for opioids, 10.6% for amphetamines and 6.5% for cocaine. Data was collected from 2006 to 2010 in an urban teaching hospital with 5000 births per year. About 10%  of these tested positive for marijuana use. 

PositiveTip: Encourage pregnant mothers to avoid marijuana and other illegal drug use for the good of their unborn infant--and themselves.