D Rock, only the first paragraph was addressed to you. Sorry if I was unclear.
What do you mean by "owning up to the responsibility"? Is that ONLY carrying to term? I would say a woman who makes an appointment with a clinic, goes through counseling, and undergoes a surgical procedure, even an out-patient one, is taking responsibility. And that's in states like California. In many others she has to be forced to undergo and pay for medically unnecessary ultrasound, hear a medically inaccurate lecture prepared by anti-abortion groups, see pictures of fetuses, hold funeral services for fetus, wait 24, 48, or 72 hours, which involves making two appointments with a clinic that may be hundreds of miles away, since the majority of women seeking abortions already have at least one child, arrange childcare, transportation, time off work she may not be paid for, may lose her job by taking time off ... how much pain is owning up to responsibility?
I have an adopted niece, she just got accepted at Mills College with a $32K scholarship (yes, bragging). Adoption can be a loving alternative but ONLY when freely chosen. Women are not breeding animals and must never be forced to bear a child so that someone else can have him/her.
As far as a man making a woman sign a legal document or somesuch that he would not be responsible for accidental pregnancy - well, aside from the fact that, as has been pointed out, child support is for the child, I can't imagine even the horniest hetero woman going with a man like that! I mean, I know some women have shitty taste in men, but that is pretty extreme even for straight ladies.