The fertilized egg travels to the uterus and begins implantation. Hormonal changes may start, though no major symptoms are noticeable. Rest and hydration are key.
Week 31 - Bone Strengthening
Week 24 - Viability Threshold
Week 21 - Eyebrows Form
Week 34 - Immune System Develops
Week 7 - Facial Features Form
Implantation calculator
Week 37 - Full-Term Begins
Week 27 - End of Second Trimester