Health: Womb with a View

For many expectant parents, nine months is just too long. Not willing to wait for the birth of their child and the accompanying flash photos, parents-to-be are shelling out $200 and more to ultrasound centers with cutesy names like Prenatal Peek and Womb with a View for high-res, golden-hued ultrasound images of fetuses in their amniotic homes. It's not hard to see the appeal. The latest advances in ultrasound technology--from grainy 2D to glorious 4D with accompanying DVD--produce images that are impressive, showing facial features, hair, fingers, toes and even a fetus' sex. Some companies throw in a sound track to...