About 3D-4D Sonography
3D scans show still pictures of your baby in three dimensions. 4D scans show moving 3D images of your baby, with time being the fourth dimension. It's natural to be really excited by the prospect of your first scan. But some mums find the standard 2D scans disappointing when all they see is a grey, blurry outline.
#2. is it safe?
Like regular ultrasounds, 3D and 4D ultrasounds use sound waves to create an image of your baby in your womb. ... Some doctors like 3D and 4D ultrasounds because they can show certain birth defects, such as cleft palate, that might not show up on a standard ultrasound. Studies suggest that 3D and 4D ultrasounds are safe.
#2. How often do you have ultrasounds during pregnancy?
In the first trimester of pregnancy, an early ultrasound is a routine part of prenatal care at 6 to 9 weeks, allowing parents a welcome first glance of their tiny baby bean. The American Congress of Obstetricians and Gynecologists (ACOG) recommends that all moms get a first trimester ultrasound.
Most healthy women receive two ultrasound scans during pregnancy. "The first is, ideally, in the first trimester to confirm the due date, and the second is at 18-22 weeks to confirm normal anatomy and the sex of the baby," explains Mendiola.