Harvesting the eggs via egg retrieval (which is accomplished using a transvaginal ultrasound-guided needle) for either freezing or fertilization. Fertilization will involve mixing the egg with sperm in the laboratory dish to develop an embryo. In vitro fertilization (IVF) is when sperm and eggs are mixed exterior the body – https://socialexpresions.com/story3952686/detailed-notes-on-assisted-reproductive-technology