"We have added so many pollutants to the environment that it's just a matter of time until it started to affect women's ability to conceive," she said.
Mullin noted that exposure to these chemicals affects men's sperm and may also affect women's eggs.
"Live as healthy a life as possible," she said. "Watch what you eat."
For more information on fertility hazards, visit the U.S. National Library of Medicine.
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