Tiny bubbles in semen could contribute to ‘unexplained infertility’

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A small study in men suggests tiny bubbles of cell membrane found in semen are different in those with unexplained infertility issues compared to those with no fertility problems, which could help explain the mysterious condition



Health



12 July 2022

Light micrograph of a section through the seminiferous tubules, the site of sperm production

A microscopic image of the seminiferous tubules, the site of sperm production, of a man with infertility issues

CNRI / SCIENCE PHOTO LIBRARY

Tiny fluid-filled bubbles of cell membrane found in semen could help to explain some cases of infertility, suggests a small lab study.

In the UK, one-quarter of infertility cases have no obvious cause, leading to a diagnosis of “unexplained infertility”.

“They’re a challenging group [to treat],” Hadis Gholipour at the Iran University of Medical Sciences told a conference of the European Society of Human Reproduction and Embryology on 5 July in …



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