Tag: Evolution + Development

Genetic Factors May Account for Infertility in Otherwise Healthy Males

August 1, 1995

A team of U.S. and Finnish scientists has found that a specific defect in the male sex chromosome (the Y chromosome) may be responsible for 13 percent of cases of azoospermia, the complete inability to make sperm and the most severe form of male infertility. The study is one of the first to demonstrate that genetic defects can sometimes explain infertility in otherwise healthy couples and could lead to a better understanding of the molecular mechanisms required to make healthy sperm. This research, reported in the August issue of Nature Genetics, was led by Dr. David Page of the Whitehead Institute for Biomedical Research and the Howard Hughes Medical Institute (HHMI).

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