Missouri gets ultrasounds before abortions:

Bill: SB793

“Modifies the informed consent requirements…[The woman] must be given an opportunity to view, at least 24 hours prior to an abortion, an active ultrasound of the unborn child and hear the heartbeat of the unborn child, if the heartbeat is audible. Prior to an abortion being performed past twenty-two weeks gestational age, the woman must be provided information regarding the possibility of the abortion causing pain to the unborn child.”

Also: “Missouri Governor Lets Abortion Law Take Effect”