Fertilization happens when a sperm cell successfully meets an egg cell in the fallopian tube. Once fertilization takes place, this newly fertilized cell is called a zygote. From here, the zygote will move down the fallopian tube and into the uterus. The zygote then burrows into the uterus lining.
What are the 7 stages of fertilization?
In overview, fertilization can be described as the following steps:
- Sperm Capacitation. ...
- Sperm-Zona Pellucida Binding. ...
- The Acrosome Reaction. ...
- Penetration of the Zona Pellucida. ...
- Sperm-Oocyte Binding. ...
- Egg Activation and the Cortical Reaction. ...
- The Zona Reaction. ...
- Post-fertilization Events.
What is released during fertilization?
When a fertilized egg does implant, a hormone called human chorionic gonadotropin (hCG) begins to be produced in the uterus. This is the hormone that a pregnancy test measures.