Company offers 3D ultrasound technology to produce lifelike keepsake images of babies in the womb.

Helps expecting parents bond with their babies with at-home ultrasound Doppler units designed to monitor fetal heartbeats during pregnancy.

Doctors explain that around 18 to 20 weeks, the fetal sex can be seen on ultrasound. Answers some frequently asked questions about the procedure.

Discusses who should receive an ultrasound exam and the reliability of the scans. Learn about the different types of ultrasound exams.

Government agency warns that the prolonged use of ultrasound required to make these "videos" may pose a danger to developing fetuses.

Procedure can assess an unborn baby's health and detect certain birth defects. Find out what to expect before, during, and after the test.

Expectant parents can rent or purchase an ultrasound doppler for their home, so that they can monitor fetal heartbeats during pregnancy.

University of California Medical Center presents this journal on obstetrics and gynecology. Find a bulletin board and teaching-file cases.

Hong Kong's Dr. Joseph S.K. Woo answers questions about ultrasound, its safety and the terminology that surrounds it.