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Interpretation of semen analysis among infertile couples
Summary
Total motile sperm count is a key predictor of infertility treatment success. Higher counts correlate with increased pregnancy rates, guiding clinical decisions for couples undergoing fertility evaluations.
Area of Science:
- Reproductive Medicine
- Andrology
- Infertility Research
Background:
- Semen analysis is crucial for evaluating male infertility.
- Predictive value of individual semen parameters is debated.
- Total motile sperm count (TMSC) combines key metrics.
Purpose of the Study:
- To assess the prognostic value of semen analysis parameters, particularly TMSC, for predicting pregnancy rates in infertile couples.
- To determine the relationship between TMSC and cumulative pregnancy rates.
Main Methods:
- Retrospective analysis of semen parameters from 1074 infertile couples.
- Exclusion of couples with donor insemination or known female infertility factors (n=365).
- Correlation analysis between TMSC and cumulative pregnancy rates in 709 couples.
Main Results:
- Cumulative pregnancy rates increased significantly with higher TMSC (p=0.001).
- Rates were 20% (≤9x10^6), 37% (10-19x10^6), and 52% (≥20x10^6).
- TMSC ≥20x10^6 showed no further significant improvement in rates, but high variability noted.
Conclusions:
- Total motile sperm count is the most informative prognostic parameter from semen analysis.
- TMSC effectively guides clinical decisions in male infertility management.
- Further evaluation may be needed due to observed variability in results.