The fetus gains weight rapidly, adding fat. Brain waves show more complex activity. Monitor blood pressure.
Week 15 - Hair Growth Begins
Week 33 - Fat Accumulation
Week 3 - Germ Layer Formation
Week 24 - Viability Threshold
Week 31 - Bone Strengthening
Week 9 - Fetal Movement Starts
Period calculator
Week 30 - Head Hair Thickens