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Human sperm cooperate to transit highly viscous regions on the competitive pathway to fertilization

6 May 2023

Abstract excerpt

Human sperm compete for fertilization. Here, we find that human sperm, unexpectedly, cooperate under conditions mimicking the viscosity contrasts in the female reproductive tract. Sperm attach at the head region to migrate as a cooperative group upon transit into and through a high viscosity medium (15-100 cP) from low viscosity seminal fluid. Sperm groups benefit from higher swimming velocity, exceeding that of...

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PMID: 37149719
DOI: 10.1038/s42003-023-04875-2

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 8 Sept 2026.

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