Much of the time, a decision with regards to abortion is very much a joint discussion between both biological parents. When it is not, there is usually a very good reason that indicates either that the father of the fetus is no longer in the picture for whatever reason, the father is unknown, or when the mother wants an abortion and the father opposes it. Most of the time, this involves a man who is more interested in controlling the woman and demonstrating his manhood by the number of offspring he can engender.
The thing is, in none of these cases is the father the one who is carrying the pregnancy. It is not his life that is at risk, it is not his health that is at risk. He is unlikely to be penalized in his employment or academic career if he is pregnant and frankly, once the fetus is born, he is far less likely to be involved in it's day to day care.
If men do not want the women they impregnant to have abortions then they should either prevent the pregnancy (vasectomy is very low risk and relatively inexpensive with a short recovery time) or be much more supportive: economically, physically, emotionally. They should do their part by voting for establishing and fully funding infrastructure that helps support pregnant people and young children. They should also strongly consider monogamy and commitment to a long term relationship with the mother of the fetus. They should provide good economic support, good physical and emotional support of the woman.
But again, third trimester abortions are very rare. They are not performed casually but in fact, are medically complex as any full term birth. When a pregnancy is terminated in the 3rd trimester, it is usually for very good and very sad reasons. It is generally not the outcome that the pregnant person wanted at all.