 It was then amended to require only an "external" transabdominal ultrasound procedure.Critics argued it was not medically required or indicated, while other physicians and ultrasound technicians argued a trans-vaginal ultrasound is essential both before and after for an abortion to be performed safely.Marshall was the subject of controversy in February 2010, when he made a statement regarding complications of abortion on disabled children at a press conference to oppose state funding of Planned Parenthood