Exposure to BPA in one generation can affect the fourth generation in mouse studies.

“Michael Skinner scientists out in Washington he's got dad on four generations which is unbelievable because a lot of scientists they used to say well the mother is exposed like you can give a a mother Mouse BPA exposure just one exposure just boom hit her with BPA and then remove it from the drinking water and that will affect three generations they've done these studies and then the scientists said well that's because the mother is exposed but then the fetus in the womb is exposed at the same time and so are the gametes right the stem cells from the fetus are there so they're exposed but then Michael skinner went on to do that same study and show the fourth generation is also affected just from that one exposure of BPA not even every day like we're getting it we're just hitting him well once you know and we're seeing a fourth generation impact”