It probably won’t have that much of an impact on babies getting killed, since rather than hold that the 14th amendment bans abortion (to protect the rights of unborn citizens), they will hold that it is a matter for the states (under the 10th amendment). Since nothing would stop women in pro-life states from going to pro-abortion states, and since most abortions at very early and are increasingly non-surgical (done with, as has been the case for all abortions until modern times), it won’t have that big an impact. Potentially it could mean that in states like New York, infanticide might be legalized while in many “red” states abortion will be limited to situations where the mother’s life is in danger (meaning a woman in those states will have to come to New York, in the immediate pre-Roe period, travel agencies offered combination abortions/Broadway plays for out of state women seeking New York abortions).
Whether we want the 14th amendment weakened and the 10th amended strengthened is a new issue. If you trust your local government (mayors, governors, etc.) to be friendly, you favor a strong 10th, but if you don’t trust your local leaders, then a strong 14th is good for our community (even if it results in goyim able to killing their own kids).