Evaluation of trend in semen analysis for 11 years in subjects attending a fertility clinic in India
Aim: The data on semen analysis of subjects attending the Fertility Clinic at NIHFW (National Institute of Health and Family Welfare) Munirka, New Delhi for the last 11 years were analyzed to verify the claims and speculations on declining sperm counts in men. Methods: Approximately 10 % of the reco...
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| Published in | Asian journal of andrology Vol. 5; no. 3; pp. 221 - 225 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | English |
| Published |
Oxford
blackwell
01.09.2003
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1008-682X 1745-7262 |
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| Abstract | Aim: The data on semen analysis of subjects attending the Fertility Clinic at NIHFW (National Institute of Health and Family Welfare) Munirka, New Delhi for the last 11 years were analyzed to verify the claims and speculations on declining sperm counts in men. Methods: Approximately 10 % of the records every year starting from 1990 to 2000 (numbering 1176 in total) were randomly selected for analysis. Subjects with azoospermia or severe oligozoospermia were excluded from analysis. Results: The average age of the men attending the infertility clinic was 31.2 years. The average semen volume and sperm count were found to be (2.6 ± 0.1) mL and (60.6 ±0.9)× 10^6/ml., respectively. No significant decline in sperm counts was observed in anyyear during the entire studyperiod. Only 1.8 % of the total number of sperm counts in the random sampling were less then 20×10^6/mL. On the basis of WHO criteria on motility, the total percentage of non-progressive and non-motile sperm in the ejaculate was higher (63 %) as compared to the combined categories of slow and rapid linear progressive. Conclusion: The present study has confmned similar findings from other different countries that declining sperm counts in humans is not a global phenomenon. ( Asian J Androl 2003 Sep; 5: 221-225) |
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| AbstractList | Aim: The data on semen analysis of subjects attending the Fertility Clinic at NIHFW (National Institute of Health and Family Welfare) Munirka, New Delhi for the last 11 years were analyzed to verify the claims and speculations on declining sperm counts in men. Methods: Approximately 10 % of the records every year starting from 1990 to 2000 (numbering 1176 in total) were randomly selected for analysis. Subjects with azoospermia or severe oligozoospermia were excluded from analysis. Results: The average age of the men attending the infertility clinic was 31.2 years. The average semen volume and sperm count were found to be (2.6 ± 0.1) mL and (60.6 ±0.9)× 10^6/ml., respectively. No significant decline in sperm counts was observed in anyyear during the entire studyperiod. Only 1.8 % of the total number of sperm counts in the random sampling were less then 20×10^6/mL. On the basis of WHO criteria on motility, the total percentage of non-progressive and non-motile sperm in the ejaculate was higher (63 %) as compared to the combined categories of slow and rapid linear progressive. Conclusion: The present study has confmned similar findings from other different countries that declining sperm counts in humans is not a global phenomenon. ( Asian J Androl 2003 Sep; 5: 221-225) The data on semen analysis of subjects attending the Fertility Clinic at NIHFW (National Institute of Health and Family Welfare) Munirka, New Delhi for the last 11 years were analyzed to verify the claims and speculations on declining sperm counts in men. Approximately 10 % of the records every year starting from 1990 to 2000 (numbering 1176 in total) were randomly selected for analysis. Subjects with azoospermia or severe oligozoospermia were excluded from analysis. The average age of the men attending the infertility clinic was 31.2 years. The average semen volume and sperm count were found to be (2.6+/-0.1) mL and (60.6+/-0.9)X10(6)/mL, respectively. No significant decline in sperm counts was observed in any year during the entire study period. Only 1.8 % of the total number of sperm counts in the random sampling were less then 20 X10(6)/mL. On the basis of WHO criteria on motility, the total percentage of non-progressive and non-motile sperm in the ejaculate was higher (63 %) as compared to the combined categories of slow and rapid linear progressive. The present study has confirmed similar findings from other different countries that declining sperm counts in humans is not a global phenomenon. The data on semen analysis of subjects attending the Fertility Clinic at NIHFW (National Institute of Health and Family Welfare) Munirka, New Delhi for the last 11 years were analyzed to verify the claims and speculations on declining sperm counts in men.AIMThe data on semen analysis of subjects attending the Fertility Clinic at NIHFW (National Institute of Health and Family Welfare) Munirka, New Delhi for the last 11 years were analyzed to verify the claims and speculations on declining sperm counts in men.Approximately 10 % of the records every year starting from 1990 to 2000 (numbering 1176 in total) were randomly selected for analysis. Subjects with azoospermia or severe oligozoospermia were excluded from analysis.METHODSApproximately 10 % of the records every year starting from 1990 to 2000 (numbering 1176 in total) were randomly selected for analysis. Subjects with azoospermia or severe oligozoospermia were excluded from analysis.The average age of the men attending the infertility clinic was 31.2 years. The average semen volume and sperm count were found to be (2.6+/-0.1) mL and (60.6+/-0.9)X10(6)/mL, respectively. No significant decline in sperm counts was observed in any year during the entire study period. Only 1.8 % of the total number of sperm counts in the random sampling were less then 20 X10(6)/mL. On the basis of WHO criteria on motility, the total percentage of non-progressive and non-motile sperm in the ejaculate was higher (63 %) as compared to the combined categories of slow and rapid linear progressive.RESULTSThe average age of the men attending the infertility clinic was 31.2 years. The average semen volume and sperm count were found to be (2.6+/-0.1) mL and (60.6+/-0.9)X10(6)/mL, respectively. No significant decline in sperm counts was observed in any year during the entire study period. Only 1.8 % of the total number of sperm counts in the random sampling were less then 20 X10(6)/mL. On the basis of WHO criteria on motility, the total percentage of non-progressive and non-motile sperm in the ejaculate was higher (63 %) as compared to the combined categories of slow and rapid linear progressive.The present study has confirmed similar findings from other different countries that declining sperm counts in humans is not a global phenomenon.CONCLUSIONThe present study has confirmed similar findings from other different countries that declining sperm counts in humans is not a global phenomenon. |
| Author | P.Marimuthu M.C.Kapilashrami M.M.Misro G.Singh |
| AuthorAffiliation | NationalInstituteofHealthandFamilyWelfare,Munirka,NewDelhi-llO067,India |
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| Keywords | Human Motility Prevalence Semen Age criterion Biological activity Speculation Clinic Fertility Declination Male sterility Male genital diseases Counting |
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| Snippet | Aim: The data on semen analysis of subjects attending the Fertility Clinic at NIHFW (National Institute of Health and Family Welfare) Munirka, New Delhi for... The data on semen analysis of subjects attending the Fertility Clinic at NIHFW (National Institute of Health and Family Welfare) Munirka, New Delhi for the... |
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| SubjectTerms | Adult Aging - physiology Biological and medical sciences Gynecology. Andrology. Obstetrics Humans India Infertility, Male - therapy Male Male genital diseases Medical sciences Middle Aged Non tumoral diseases Semen - cytology Socioeconomic Factors Sperm Count Sperm Motility - physiology 男性不育症 精子运动性 精液分析 |
| Title | Evaluation of trend in semen analysis for 11 years in subjects attending a fertility clinic in India |
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