You can have this test around 15 to 18 weeks of pregnancy, and it takes about 30 minutes. First, your doctor uses an ultrasound to ... that you’re having a girl and vice versa.

North Carolina mom Nancy Ray said she learned she was having a girl when at 18 weeks the ultrasound technician ... It wasn't until 15 minutes later, when she was laying on the bed and had flipped ...

Until the 14th week of pregnancy, baby boys and girls look exactly the same on ultrasound, Carr said. Beyond this point, noticeable anatomical differences in the genitalia can show up on the scan.

An ultrasound scan could save many mothers the decision over whether to have an amniocentesis and risk losing a baby. Nearly two-thirds of 15-22-week-old fetuses with Down's syndrome lack a nasal ...

Early ultrasounds aren't the most accurate gauge of whether you're expecting a boy or girl. "The earliest in pregnancy that the fetus's sex can be determined by ultrasound is about 12 weeks ...