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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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