[Introduction of semen into the uterus or oviduct by other than natural means. One of various assisted reproductive Technologies used to treat infertility. Performed by intrauterine insemination with semen presented in one of various forms: whole ejaculate, split ejaculate using the first portion containing the greatest sperm density and motility, or washed semen samples. (Merck Manual 16 Ed) ( NCI )]
UMLS (CSP) C0021587 - Therapeutic or Preventive Procedure