Regarding reproduction, 25.8% reported experiencing reproductive problems before receiving their implants, and 8.6% reported problems after implantation.
Laboratory studies have found links to reproductive problems in animals.
Zoo elephants pose special reproductive problems, Dr. Schmitt said.
"Folks have complained about reproductive problems," Schell said, of the residents of the Mohawk reservation.
Phthalates are plastics softeners that are believed to cause reproductive problems and possibly cancer.
Side effects of steroids include liver tumors, high blood pressure and reproductive problems.
Animal testing showed that long-term exposure could cause reproductive problems, including miscarriage.
The synthetic hormone is linked to cancers, infertility and other reproductive problems in their children.
The fear was that the reproductive problems found in the animal studies might also be occurring in humans.
Studies have found a connection between living and working near these chemicals and developing neurological and reproductive problems.
In sufficient concentrations, these metals have been linked to human cancers, respiratory diseases, nervous system disorders and reproductive problems.
