Cocaine, tobacco use and miscarriage


A New England Journal of Medicine study reports that cocaine use and tobacco use were associated with miscarriage in a study of 970 adolescents and women from the Philadelphia inner city.

The study reports that pregnant women who:

The study has several major deficiencies:

Finally, existing studies on smoking and miscarriage have mixed results. Given the weakness in the current study's results, the split in studies is a sign that, in fact, no association exists.

I'm surprised this study didn't spontaneously abort during peer review.


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