> I'm not sure what your argument is. Your quote includes the phrase "decrease in fertility." Here, a selection from my earlier comment: >> A 50% nonviability

> I'm not sure what your argument is. Your quote includes the phrase "decrease in fertility." Here, a selection from my earlier comment: >> A 50% nonviability rate is high, but it's far too low to prevent reproduction. A decrease in fertility isn't the same thing as a removal of fertility.