In Vitro Fertilization. procedure in which an egg(s) is removed from the ovary(ies) and mixed with prepared sperm outside the human body where, hopefully, fertilization will occur. Fertilized egg(s) are allowed to divide in a protected environment for about two days and then transferred to the uterus for possible implantation and pregnancy.
In Vitro Fertilization. A method of assisted reproduction that involves surgically removing an egg from the ovary, combining it with prepared sperm in the laboratory to permit fertilization.
In vitro fertilization. A method of assisted reproduction that involves surgically removing eggs from the ovary with a long needle (by ultrasound-guided retrieval) after ovulation induction, inseminating them with sperm by either the conventional or ICSI method in a petri dish and, after fertilization, replacing the resulting embryo(s) in the woman's uterus.