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Still, the researchers say the "data suggest that there is no safe period and no safe level of cigarettes consumed shortly before or during pregnancy." Dr

Globally, ~15% of couples of reproductive age are affected by infertility and the distribution of infertility due to male factor ranges from 20 to 70% with the prevalence of male infertility in North America, Australia, and Central and Eastern Europe varied from 4.5 to 6%, 9%, and 8 to 12%, respectively (Agarwal et al

- GrimmGreen.com Wikipedia:Smoking Electronic Cigarettes and Vaping: A New Challenge in Clinical Medicine and Public Health - NIH.gov U.S