Major organs like the heart, liver, and kidneys start developing. The embryo is now called a fetus. Expect breast tenderness or frequent urination.
Week 20 - Halfway Point
Week 30 - Head Hair Thickens
Week 13 - Rapid Growth Phase
Week 37 - Full-Term Begins
Week 1 - Early Pregnancy
Period calculator
Week 38 - Organ Maturation
Week 12 - End of First Trimester