Indiana Republicans are advancing legislation that would require women to undergo a transvaginal ultrasound prior to an abortion, the latest in a string of efforts by state GOP lawmakers to actively discourage women from terminating their pregnancies.

The provision is tucked inside Senate Bill 371, introduced by State Sen. Travis Holdman (R), which has passed a committee. Although the legislation doesn’t specifically say transvaginal ultrasound, its criteria would effectively require it, according to the abortion rights group NARAL Pro-Choice America.

John Stutsman, an obstetrician-gynecologist and professor of medicine at Indiana University, confirmed to the Indianapolis Star that a transvaginal probe would be required.

Holdman told the Indy Star that such measures are justified to protect ‘another human life.