Again, you make moral arguments, that are entirely unsuitable for the State to enforce by criminalization. A woman cannot assume a LEGAL duty of care merely by having sex.
Actually, the States were doing just fine until
Roe, as far as criminalizing abortion. Most had.
It was the usurpation of the States' authority to do so by seven people which complicated matters.
By their leave, over 58,000,000 babies have died.
Before Roe, we didn't have to play games with a definition of 'viability'. Unless the life of the mother would be foreseeably lost by continuing the pregnancy, the baby could proceed to develop and enter daylight in one piece with the full protection of the law. Mom could even take her chances if she so chose (still can now, for that matter).