Meaning it could simply be too early in your pregnancy to detect a heartbeat using a Doppler. If your due date is uncertain, your health care provider might do an ultrasound, which is a more ...

As with amniocentesis, obstetricians may suggest using CVS, short for chorionic villus sampling, to detect genetic disorders such as Down Syndrome. In CVS, specialists perform an ultrasound to ...

"The placenta functions the same, providing nutrients and oxygen to your baby ... a Doppler. And it may make amniocentesis more difficult if you have one. (Still, your doctor can use ultrasound ...

Mater Research’s Dr Sarah Steane says the recently published study is one of the first to analyse doppler ... trimester of pregnancy were less likely to have these abnormal ultrasound ...