Special Delivery <a href=" http://bcsystems.pl/masters-research-paper.pdf#wag ">essay on my ambition in life wikipedia</a> The second study looked at the relationship between phthalate levels in both sexes and the odds of becoming pregnant. The team followed 500 couples for a year, and found that men who had the highest levels of phthalates in their bodies were 20% less likely to impregnate their partners over that year. Oddly, the women’s levels of phthalates did not seem to have the same connection to pregnancy.