Mainly because males don't bear the economic and emotional consequences if they neglect or fail to use the birth control that's available. It's almost a given

Mainly because males don't bear the economic and emotional consequences if they neglect or fail to use the birth control that's available. It's almost a given that casual sex leading to a pregnancy means that the male will be last seen heading for the hills at very high speed. Whereas the female will be left literally holding the baby.