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In Vitro Fertilization
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In vitro fertilization. Image 1 of 4. Computer artwork of an egg cell (centre) held in place by a tube (left) and about to be pierced by a micro- needle (right) to inject a single sperm cell. This type of in vitro fertilization (IVF) is known as intra-cytoplasmic sperm injection (ICSI). The sperm cell fertilizes the egg cell and the zygote that forms is cultured until it reaches an early stage of embryonic development. It is then placed in the uterine wall, allowing pregnancy to proceed as normal. IVF treatment enables couples with any of a range of infertility problems to conceive a child. For the early stages of development after fertilization, see images M802 238-240.
May 7th, 2013
Viewed 60 Times - Last Visitor from Kiev, 13 - Ukraine on 09/21/2014 at 6:50 AM
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