Find out about COVID-19, COVID-19 vaccines, and Mayo Clinic patient and visitor updates.
Featured conditions Brain tumor, breast cancer, colon cancer, congenital heart disease, heart arrhythmia. See more conditions.
Featured conditions
Mayo Clinic offers appointments in Arizona, Florida and Minnesota and at Mayo Clinic Health System locations.
During a fetal ultrasound, your health care provider places a wand-like transducer into your vagina or runs the transducer over your abdomen. Sound waves are translated into a pattern of light and dark areas — creating an image of your baby on a monitor.
In this slide, you see a baby's profile at 11 weeks of pregnancy, or nine weeks after conception. A baby's head makes up about half of his or her length at this stage.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.