Third Trimester

Weeks 29 - 32

100

During this week, the fetus develops reserves for body fat.

Week 29

200

During this week, the fetus develops the ability to process additional information and stimuli.

Week 31

300

During this week, the fetus develops the ability to control its own body heat. 

Week 30

Weeks 33 - 36

100

During this week, the fetus loses its lanugo and has hair on its head. 

Week 36

200

During this week, the fetus’s bones are hardened, with the exception of the skull.

Week 33

300

During this week, the vernix that protects the fetus’s skin thickens.

Week 34

Weeks 37 - 40

100

During this week, the fetus is now fully developed and awaiting birth.

Week 39

200

During this week, birth. 

Week 40

300

During this week, the fetus drops into the pelvis to prepare for birth.

Week 37

Complications

100

The placenta grows to deeply into the uterine wall.

Placenta accreta

200

Hemolysis, elevated liver enzyme levels, and low platelet levels.

HELLP syndrome

300

A fetus born deceased. 

Still birth