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New research suggests fertilization is a biological selection process, not just a race, influenced by chemical signals from the egg.

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Science girl

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103,109 просмотров • 3 месяцев назад •via X (Twitter)

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This procedure is a specialized form of IVF where a single sperm is directly injected into an egg using a microscopic needle (micropipette) to achieve fertilization, bypassing natural selection, and is ideal for severe male infertility, low sperm counts, or previous IVF failures.
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