<unk>  (TVOR), also referred to as<unk>  retrieval (OCR), is a technique used in in vitro fertilization (IVF) in order to remove<unk> s from the ovary of a woman, enabling fertilization outside the body.<unk>  is more properly referred to as<unk>  ovum retrieval when the<unk> s have matured into ova, as is normally the case in IVF. It can be also done for egg donation,<unk>  cryopreservation and other assisted reproduction technology such as ICSI
Transvaginal oocyte retrieval
Posthumous sperm retrieval
Menstrual extraction
Ovarian tissue cryopreservation
Ovarian drilling
Ovarian stimulation
Artificial insemination
Embryo transfer