The method in which a sperm is directly injecting into ovum
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vitro fertilization (IVF) is the method in which a sperm is directly injecting into ovum
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Intracytoplasmic sperm injection, is an in vitro fertilization (IVF) procedure in which a singlesperm cell is injected directly into the cytoplasm of an egg. This technique is used in order to prepare the gametes for the obtention of embryos that may be transferred to a maternal uterus.
There are several differences within classic IVF and ICSI. However, the steps to be followed before and after insemination are the same. In terms of insemination, ICSI needs one only sperm cell per oocyte, meanwhile IVF needs between 50 and 100 thousands. This is due to the fact that in IVF acrosome reaction has to take place and thousands of sperm cells have to be involved. Once fertilized, the egg is transformed into a proembryo and it has to be transferred to the uterus to continue its development.
The first human pregnancy generated by ICS was carried out in 1991 by Gianpiero Palermoand his team.
There are several differences within classic IVF and ICSI. However, the steps to be followed before and after insemination are the same. In terms of insemination, ICSI needs one only sperm cell per oocyte, meanwhile IVF needs between 50 and 100 thousands. This is due to the fact that in IVF acrosome reaction has to take place and thousands of sperm cells have to be involved. Once fertilized, the egg is transformed into a proembryo and it has to be transferred to the uterus to continue its development.
The first human pregnancy generated by ICS was carried out in 1991 by Gianpiero Palermoand his team.
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