This is the first of two parts of a major study evaluating the potential health effects of BPA. The final conclusions won't be available until 2019.
Some experts think the procedure could be a human rights violation.
"You can choose to go organic, you can become a vegan, but according to this particular study, you couldn't choose to be free of BPA in your diet."
"It's women's excuse for when they need a break," Robyn Stein DeLuca said.
And really, who can blame them?
A newly identified antibody increases bone mass and decreases body fat in mice, though human studies are some way off.
A study found that women who take high-estrogen contraception have a higher rate of developing breast cancer.