As I have posted before, the Morning After Pill prevents the fertilized Ovum, if there is one, from attaching itself from the Uterine Wall. It is a precautionary measure.
On the other hand, the “Abortion Pill” causes a Miscarriage of an existing Pregnancy.
BTW - I am not stating an opinion here, so don't flame me.
The difference from the lil' tykes point of view is indistinguishable: DEATH.