Tag: sperm’s journey to the egg

Sperm’s journey to the egg

Obstacles in the female reproductive tract

Since its formation to the fertilization of the egg, spermatozoids have to cross a complicated path full of obstacles. Only one spermatozoid will overcome all the barriers and fertilize the egg, creating therefore a new being.

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Legal donor-egg treatments in the USA

Conventional IVF or ICSI

US legislation allows both conventional IVF and ICSi using donor eggs. Moreover, PGD and surrogacy are addressed as additional techniques in the regulations governing this field in the majority of U. S. states.

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