MI HB4851

Requires physicians to determine the probable postfertilization age of an unborn child before performing an abortion, except in medical emergencies, using accepted standards of care.

Prohibits abortion if the unborn child has a probable postfertilization age of 20 or more weeks, unless the physician determines in reasonable clinical judgment that the abortion is necessary to avert the pregnant individual's death.

Makes violation of this section a felony punishable by imprisonment for not more than 15 years or a fine of not more than $7,500, or both.

Exempts pregnant individuals from criminal liability and clarifies that the law does not create a right to abortion or repeal existing abortion regulations.

Defines key terms including "medical emergency" (limited to physical conditions, excluding psychological or emotional conditions and conditions based on anticipated self-harm).