Difference between ICSI and IVF

IVF technique that develops first and ICSI is a variation of this technique. In the IVF process, the sperm are allowed to fertilize the egg in a petri dish. ICSI is different in that uses a micromanipulator to inject a single sperm inside a single egg. The key difference between IVF and ICSI is the way the eggs are being fertilized in the lab.