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intracytoplasmic sperm injection
(redirected from injection)

    Also found in: Dictionary/thesaurus, Medical, Legal, Acronyms, Encyclopedia, Wikipedia 0.02 sec.

intracytoplasmic sperm injection

In medicine, the injection of a single sperm into an egg. It is used to treat couples where infertility is caused by low sperm count, or misshapen or immobile sperm. During the period 1992–99 more than 20,000 children were conceived by ICSI worldwide.

The technique provoked some controversy following a 1997 study suggesting that it doubles the risk of birth defects and a 1998 study that concluded children conceived through the technique experienced some mild delays in their cognitive development at age one (these delays were no longer apparent by age two).



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