What are the requirements of IVF for sperm?

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Requirements of IVF for sperm

IVF is an assisted reproductive technology, which helps couples who cannot conceive naturally realize their reproductive dreams through in vitro fertilization. One of the important links is the selection and selection of sperm. IVF has very high requirements for the quality of sperm. The requirements of IVF for sperm will be elaborated from four aspects as follows:

1. Number of sperm

In the process of IVF, the number of sperm is very important. Usually, enough sperm are needed in the semen samples collected each time to ensure successful in vitro fertilization. Hospitals usually require at least 100 to 500 million sperm in a semen sample. This quantitative requirement is to ensure the success rate of in vitro fertilization.

At the same time, the hospital requires that the number of sperm should not be less than this standard, because IVF will undergo freezing preservation and multiple fertilization attempts during the process, so it is necessary to have enough spare sperm. Only a sufficient number of sperm can increase the chances of IVF success.

2. Sperm vitality

The motility of sperm refers to the motility and activity rate of sperm. In the process of IVF, the sperm with higher vitality can better swim to and penetrate the egg and successfully fertilize it. Therefore, hospitals have certain requirements for sperm vitality.

Generally, hospitals require sperm vitality to be above 50%. Only the sperm with high vitality can better fertilize and improve the success rate of IVF.

3. Sperm morphology

The shape of sperm refers to its appearance and structure. Normal sperm is more likely to successfully combine with the egg and fertilize it. Therefore, the hospital will require the morphology of sperm.

In general, hospitals require that the normal morphology of sperm accounts for more than 15% of the total number of sperm. This is because abnormal sperm morphology may affect the success rate of fertilization. Therefore, the success rate of IVF can be improved by screening sperm with normal morphology.

4. Genetic quality of sperm

In addition to quantity, vitality and morphology, the genetic quality of sperm is also one of the factors to be considered in the process of IVF. If genetic problems such as familial genetic diseases and chromosome abnormalities exist in sperm, they may be inherited to IVF.

In order to ensure the genetic quality of IVF, hospitals usually conduct genetic testing on sperm. These tests include screening for chromosomal abnormalities and genetic mutations to ensure that the genetic quality of sperm meets certain standards.

Summary

The requirements of IVF for sperm mainly include quantity, vitality, morphology and genetic quality. The success rate of IVF can be improved by sperm with sufficient quantity, high vitality, normal morphology and good genetic quality. Understanding these requirements is important for couples to understand the process and preparation of IVF.