This isn't even close to correct.
The 18 years that come after the kid is born are FAR more important than the nine months before it is.
Men should have the right to give up responsibility for a kid, just like women can.
edit: I thought you said the opposite of what you said
Still, it's not fair women can force a man into a commitment like that. But the second they don't want it, they can just throw it away.