Sperm breach blastocyst defenses in primates, providing new insights into reproductive competition

PHYSorg
Mar 18, 2025, 1:57 pm130 pts
In a study of early embryonic development in primates, an international research team under the leadership of Berthold Huppertz and Thomas Kroneis from Med Uni Graz has shown for the first time that sperm can penetrate the outer layer of five- to seven-day-old embryos (blastocysts).

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