"I shouldn't have to pay for prenatal care and mammograms."

Why should women have to pay for prostate cancer or testicular cancer?
Why should men have to pay for ovarian cancer or uterine cancer?
Because it's best to consolidate the health care system into one big risk pool for the entire population.
Having several different pools -- one for men, one for women, "one for the poor, another for the aged, another for employees of this or that company -- blocks the cross-subsidization from the rich to the poor, the young to the old and the healthy to the sick upon which insurance relies. It makes it tougher to control costs, as doctors and hospitals facing a cost-control squeeze in one pool might simply charge more to patients or insurers in the other."