The fertilized egg moves down the fallopian tube and divides into more and more cells. It reaches the uterus about 3–4 days after fertilization. The dividing cells then form a ball that floats free in the uterus for about 2–3 days.
- Progesterone begins to increase leading to bloating
- Mood swings begin due to fluctuating hormones
- Bleeding and Mild cramping starts