TREND OF FERTILITY POTENTIALS WITH INCREASING AGE IN PAKISTANI MALES
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Abstract
Objective:
The objective being to examine the magnitude and the shape of the relationships between age
Methodology:
This experimental study with non-probability sampling was conducted in Reproductive
Physiology/Health, Public Health Laboratories Division, National Institute of Health, Islamabad during
2006-2009.
Results:
A total 350 patients (21-50 years) were divided age wise into three groups (21-30, 31-40 and 41-
50 years) to compare alteration in sperm count and motility. Semen profile was evaluated according to
WHO reference value for normal semen characteristics. The result of Sperm concentration showed a non
significant (p>0.05) decreasing trend with increasing age that was 0.047million/ml for every year where as
sperm motility declined significantly with increasing age at p>0.05.
Conclusion:
Age-related decreases in semen qualities particularly decline in sperm motility revealed that
men may become progressively less fertile as they age. However, unlike women, there appears to be no
evidence of an age threshold for men.
and semen volume, sperm concentration and sperm motility by keeping the other factors affecting fertility
directly constant among patients undergoing infertility evaluation at National Institute of Health,
Islamabad, Pakistan.
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