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Third Trimester: Images of Your Developing Baby

We've partnered with the American Institute of Ultrasound Medicine (AIUM), Johns Hopkins, and the March of Dimes to create this unique peak into Baby's development inside the womb. These images reveal all the intricate details of your baby's growth -- from a collection of cells to a full-term newborn. While most women may only receive one or two ultrasounds during pregnancy, which is normal, this slideshow of the 3rd trimester of pregnancy gives you a look at each week of development.
week 37 amniotic fluid Week 37 (35 weeks from conception)

Fetal Size: Length, 14 inches, crown to rump; total length 21 inches. Weight, 6 1/2 pounds.

Fetal Development Milestones: Your baby is officially full term!

What You're Seeing: Sometimes your doctor or midwife will ask for a test to check how well your baby is doing. One indicator of your baby-to-be's well being is a measurement of the amniotic fluid. This can also be part of a test called a biophysical profile, which will also include watching the baby's various movements. In this image, the sonographer is measuring the deepest pocket of fluid in each of four areas of your uterus. As you can see, your baby is getting a bit crowded in there!