But some doctors doubt the reliability of these tests and question why women would need to use them.
The extent of his injuries was such that doctors doubted whether Castro would survive the week.
Ben and my doctors doubted I would make it back by then.
Device makers and some doctors, however, doubted that the trial would have broad impact.
The other doctor doubted they would have seen such a piece of paper.
But her doctors doubted that the surgery had anything to do with her blood sugar problem.
After he was taken to the hospital, doctors doubted whether Downs would live.
Although doctors had doubted the possibility, she was able to walk after several months.
As a result of the injury, his doctors doubted he would be a very good athlete.
All the while, doctors puzzled over and even doubted her mysterious condition.