When Can Gender Be Detected on an Ultrasound?

Ultrasound Scan

Many medical imaging tests are not recommended for use during pregnancy, including those that rely on X-ray technology. An ultrasound is different. It relies on sound waves, which means that it is not harmful to the baby or to the mother. One of the most well-known purposes of ultrasounds is to determine the baby’s sex. A baby’s sex organs are usually developed by the 12 th week of pregnancy, but most expectant mothers who visit an imaging center near San Antonio will do so between the 18 th and 20 th week of pregnancy. At this point, the radiologist can be fairly certain about the baby’s sex when interpreting the medical imaging scans.

It’s always possible that during the exam, the baby will shift into a position that obscures the genital region. This can make it more difficult for the technician to accurately determine the baby’s sex. If this is the case, then the mother will have to wait until the next ultrasound appointment or until the birth to find out whether she’s having a boy or a girl.

Ultrasound Image

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