Hmm since consent is such a hot topic, I wonder if this can be argued from the man's standpoint of "consenting to intercourse does not imply permission to have my child, nor an agreement to support you"
Yeah, I think it's an impossible argument to counter, if we actually had a good faith justice system.
To counter, you'd have to say "well, you should have known that pregnancy was a possible consequence of having sex", but that's the same argument that pro-abortion people reject.
Plus, they say it's the woman's body, and only the woman's choice to have the baby. A man cannot tell a woman to keep the baby because it's only her choice.
Well if it's only the woman's choice to have the baby, why should someone else be held responsible for something that is only her choice? It's extremely unethical, like you said he did not consent to having the baby. If a woman can hold a man responsible for the consequences of her choice to have a baby without his consent, then it makes no sense why men shouldn't be allowed to compel women to have an abortion. Both are violations of the other's lack of consent to having a baby.
