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38 Weeks Post Ovulation - Third Trimester
 Fetus now considered full term.
Fetal size: weight about 7.5 pounds (3.4kg). Crown-to-rump length about 14.8 to 15.2 inches (37 to 38cm). Total length is 21.5 inches (48cm)

Mother's size: From the pubic symphysis to the top of the uterus, measures approximately 14.4 to 16 inches (36 to 40cm). From your bellybutton to the top of your uterus is 6.4 to 8 inches (16 to 20cm).


Abdomen
Fifteen percent of body is fat, eighty percent of which is underneath the skin, the other twenty percent surrounds the organs.  

Limbs
At the time of birth, the baby has a total of 300 bones. Some bones will fuse together later, which is why an adult has only 206 bones.

Abdomen
Fetal abdomen is large and round mainly due to the liver which is producing red blood cells.

Nervous System
A fetus can display more than seventy different reflex system behaviors which are automatic and unlearned behaviors necessary for survival.
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