SPECIAL OFFER: - Limited Time Only!
(The ad below will not display on your printed page)
Fetal Size: 1/6 to 1/4 of an inch.
Fetal Development Milestones: There's a measureable heartbeat.
What You're Seeing: Here, the sonographer demonstrates the developing baby's heartbeat. The top part of the image shows placement of a measuring tool on the ultrasound machine called an M-mode through the image of the beating heart. This tool shows movement over time, which is displayed on the bottom part of the image. The image on the bottom shows how the baby's heart rate is calculated.
© Copyright 2015, Meredith Corporation. All Rights Reserved.