Summary
Objective. The aim of this study was to investigate the impact of seasonality and weather conditions on zona pellucida (ZP) thickness and assisted reproductive treatment (ART) outcome.
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Summary
Aim. To evaluate the signs of sperm quality in different age groups.
Material and methods. The sperm samples of 239 males were examined and evaluated. Sperm samples were collected by masturbation with 3–5 days of sexual abstinence. Semen sam ples were stored at room temperature and analysed within 30–60 minutes after semen liquefaction. Statistical data analysis was performed using IBM SPSS ( Statistical Package for Social Sciences) version 20.
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