If we're gonna make ridiculous strawmen like that, then these mothers should be guilty of unlawful detainment for not letting the fetuses out of their wombs as soon as they were viable
This is all political theater and it does nothing for actual life. Not to mention that 9 of the 10 worst states for maternal and fetal morbidity are red states enacting policies like this.
In states where personhood is established at birth, you can still be found guilty of murder if your actions result in the death of a unborn person outside the limited exemption of medical abortion.