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intracytoplasmic sperm injection

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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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Excess embryos of good quality can be frozen and cryogenically stored then thawed at a later stage for transfer to the uterus, avoiding the wastage of precious gametes and embryos; * Intracytoplasmic sperm injection (ICSI)--a single sperm is injected into the cytoplasm of the egg to aid fertilisation.
The ART of fertility nursing in Australia by Breidahl, Victoria / Australian Nursing Journal
In intracytoplasmic sperm injection (ICSI), a single spermatozoon is directly injected into the egg through the oocyte membrane.
Off to a good start: the influence of pre- and periconceptional ... by Tomashek, Kay M. / Environmental Health Perspectives
] With intracytoplasmic sperm injection, an individual sperm is used to fertilize an individual egg outside of the woman's body.
Sexuality and spinal cord injury: where we are and where we are going by Sipski, Marca L. / American Rehabilitation
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