In ________,a single sperm cell from the man is directly injected,using a microscopic needle,into each harvested egg from the woman.The resulting zygote is then transferred after a few days into the woman's uterus.

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This procedure is called Intracytoplasmic Sperm Injection (ICSI). It is used when there is male infertility or when traditional IVF has failed. Only one sperm is needed per egg, which is why it is directly injected using a microscopic needle. The resulting zygote is then transferred like in traditional IVF. GIFT (Gamete Intrafallopian Transfer) involves transferring both eggs and sperm into the fallopian tube, while ZIFT (Zygote Intrafallopian Transfer) involves transferring the fertilized eggs (zygotes) into the fallopian tube.

In ________,A Single Sperm Cell from the Man Is Directly