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Related Experiment Videos

[Seasonal variation in sperm characteristics]

S Zerah1, J de Mouzon, J Pfeffer

  • 1Centre AMP, Clinique de la Dhuys, Bagnolet.

Contraception, Fertilite, Sexualite (1992)
|July 1, 1997
PubMed
Summary

Seasonal variations impact human fertility, particularly sperm morphology. This study of 188,075 cases found improved sperm morphology in August, suggesting a seasonal effect on male reproductive health.

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Area of Science:

  • Reproductive Biology
  • Human Physiology
  • Andrology

Context:

  • Seasonal patterns influence fertility across species.
  • Human reproduction, including spontaneous conception and in vitro fertilization (IVF), exhibits seasonal variations.
  • Sperm parameters, especially morphology, are critical factors in reproductive success.

Purpose:

  • To investigate seasonal variations in semen characteristics.
  • To analyze the relationship between season and sperm morphology in a large human cohort.

Summary:

  • Analysis of 188,075 cases from the FIVNAT database (1987-1995) revealed significant seasonal fluctuations in semen quality.
  • A notable improvement in sperm morphology was observed during the month of August.
  • These findings indicate a distinct seasonal influence on male fertility parameters.

Impact:

  • Highlights the importance of seasonal timing in reproductive medicine andrology.
  • Provides data for optimizing fertility treatments by considering seasonal semen quality variations.
  • Contributes to understanding the environmental factors affecting human reproductive health.

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