In this era of heightened concern over the impact humans have on the environment, air, soil, and water pollution are known to affect the health of the current population and future generations. A growing concern both nationally and internationally is the effect of workplace toxicants and hazards on reproductive health and pregnancy. The scope of this issue is supported by evolving statistics. The Agency for Toxic Substances and Disease Registry has estimated that 1 in 12 American couples are infertile (Centers for Disease Control and Prevention [CDC], 2009). Forty percent or more of conceptions are miscarried before 28 weeks of gestation (Drozdowsky & Whittaker, 1999).
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