Can 12 week dating scan wrong age dating difference
He found that among the women whose cervix was more than 1.18 inches (3 cm) long at the time it was measured, less than 50 percent of these women delivered within a week.By contrast, among the women whose cervixes were less than 0.4 inches (1 cm) long, 85 percent delivered within a week, the researchers reported today (Oct.
But there haven't been reliable methods to tell a woman exactly when her baby is coming.
In those instances, doctors may take a wait-and-see approach to see if a woman is going to deliver soon, but may opt to induce if they feel labor is not imminent, he said."If her cervix is short, you could say, 'Oh, you can probably wait; you are probably going to go into labor,'" Berghella told Live Science.
Most dating scans are done with a trans-abdominal transducer and a fullish bladder.
[Blossoming Body: 8 Odd Changes That Happen During Pregnancy]The method is safe, and women already get frequent ultrasound scans during pregnancy, said study co-author Dr.
Vincenzo Berghella, director of maternal fetal medicine at Thomas Jefferson University Hospital in Philadelphia."This is something that is easily implementable tomorrow if people wanted," Berghella told Live Science.