Abstract: There are considerable differences in male fertility in wildlife, domestic species and humans. A variety of factors may influence fertility in males, including genetic abnormalities, diseases or environmental agents and, for humans, also occupational hazards and lifestyle. Male fertility is declining over time, perhaps due to exposure to environmental chemicals. One important component in the evaluation of male fertility is semen analysis. Many laboratory tests have been developed to examine semen traits in an attempt to assess and, perhaps, predict fertility. Some basic parameters (sperm numbers, concentration and motility) are useful but are not sufficient to evaluate the complexity of sperm performance. Additional parameters related to the many sperm functions required for fertilization are currently being incorporated into a more thorough assessment of determinants of male fertility.
Publication Year: 2018
Publication Date: 2018-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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Cited By Count: 4
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