21.   An ultrasound scan on Saturday showed there was no serious injury, and Runco said the cause probably was strain from overwork.

22.   An ultrasound scan on Saturday showed there was no serious injury.

23.   An ultrasound scan showed there was no serious injury, and doctors said it was just fatigue from overwork.

24.   An ultrasound scan on Saturday showed there was no serious injury, and Runco said it was probably caused by overwork.

25.   However, these methods are imperfect, and the researchers concluded that one standard tool, ultrasound scans, is essentially worthless.

26.   Nearly all of the damage was so slight it could be seen only on ultrasound scans and caused no symptoms.

27.   Rising incomes in rural areas have made ultrasound scans affordable.

28.   Indian doctors Tuesday slammed a new ban on ultrasound scans for pregnant women, saying the measures punished the entire population instead of targetting those committing female foeticide.