A procedure in which eggs are removed from ovaries with the help of thin needle.Oocyte retrieval is a procedure in which eggs are taken from your ovaries. It is one of the steps in the in-vitro fertilization (IVF) process. The procedure is usually done through the vagina. You will be sedated for the procedure. Once eggs are retrieved from the ovaries, they can be fertilized in a lab. The embryos can later be placed in your womb.