Intracytoplasmic sperm injection (ICSI) is an assisted reproductive
technology used to treat sperm-related infertility. In the laboratory, a single
sperm is injected into an egg; after 2 to 5 days, one or several of the
fertilized embryos are transferred to the woman's uterus or fallopian tube.
Any embryos that implant in the uterus may result in pregnancy and
birth of one or more infants.
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