Zygote Development: Cell Division and Implantation...

Zygote Development: Cell Division and Implantation consist:

i.)                  Cell Divisions

ii.)                Blastocyst

iii.)              Migration to Uterus

iv.)              Implantation

1.)   Ovulation, Egg secrete from the ovary

2.)   Day 1 – Fertilization occur when sperm penetrate to oocyte at fallopian tube.

3.)  Days 2 until 4 – Cell divisions takes place after sperm penetrate to oocyte and become zygote.

4.)   Day 4 until 5 – Blastocyst reaches at the uterus

5.)  Days 5 until 9 – Blastocyst implant to the uterus lining using the trophoblast enzyme for burrow the blastocyst for implantation.