IVF Step by Step Treatment https://www.nivabupa.com/disease-articles/ivf-treatment-process.html IVF step by step treatment begins with ovarian stimulation, where hormones are used to encourage the production of multiple eggs. Next, eggs are retrieved from the ovaries. In the lab, the eggs are fertilized with sperm. The resulting embryos are cultured for several days before one or more are transferred into the uterus for implantation and potential pregnancy.