Sökning: WFRF:(Grotmol Tom) > Reproductive functi...
Fältnamn | Indikatorer | Metadata |
---|---|---|
000 | 04675naa a2200493 4500 | |
001 | oai:lup.lub.lu.se:4e7b83ec-1aa9-48c0-93a7-3337a64be500 | |
003 | SwePub | |
008 | 160401s2004 | |||||||||||000 ||eng| | |
024 | 7 | a https://lup.lub.lu.se/record/1275072 URI |
024 | 7 | a https://doi.org/10.1210/jc.2004-04272 DOI |
040 | a (SwePub)lu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a art2 swepub-publicationtype |
072 | 7 | a ref2 swepub-contenttype |
100 | 1 | a Malm, Gunillau Lund University,Lunds universitet,Reproduktionsmedicin, Malmö,Forskargrupper vid Lunds universitet,Reproductive medicine, Malmö,Lund University Research Groups4 aut0 (Swepub:lu)kir-gma |
245 | 1 0 | a Reproductive function during summer and winter in Norwegian men living north and south of the Arctic circle. |
264 | 1 | b The Endocrine Society,c 2004 |
520 | a Seasonal, daylight-dependent variation in human spermatozoa counts, with lowest values during summer, has been suggested. To test this hypothesis, we performed a longitudinal study of semen quality and reproductive hormone levels in Norwegian men living north and south of the Arctic Circle. An ejaculate and a serum specimen were obtained both in summer and in winter from 92 volunteers in Tromsoe (69° north latitude) and 112 in Oslo (60° north latitude). Semen analyses were performed, and serum was assayed for FSH and inhibin B. The median spermatozoa concentration in Tromsoe after adjustment for abstinence period length was 49 × 106/ml in summer and 54 × 106/ml in winter. Corresponding values for Oslo were 59 × 106/ml and 54 × 106/ml. The seasonal differences in spermatozoa concentration were not statistically significant, nor were significant differences observed in median total spermatozoa count, semen volume, percentage progressive motile spermatozoa, or FSH. In Tromsoe, but not Oslo, inhibin B concentration was slightly, but significantly (P = 0.02) higher in winter than summer (229 ng/liter vs. 223 ng/liter).The length of the daylight period may have a slight impact on hormonal markers of spermatogenesis but does not cause substantial changes in spermatozoa numbers and motility. | |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Reproduktionsmedicin och gynekologi0 (SwePub)302202 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Obstetrics, Gynaecology and Reproductive Medicine0 (SwePub)302202 hsv//eng |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Hälsovetenskapx Arbetsmedicin och miljömedicin0 (SwePub)303032 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Health Sciencesx Occupational Health and Environmental Health0 (SwePub)303032 hsv//eng |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Medicinska och farmaceutiska grundvetenskaperx Läkemedelskemi0 (SwePub)301032 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Basic Medicinex Medicinal Chemistry0 (SwePub)301032 hsv//eng |
700 | 1 | a Haugen, Trine B4 aut |
700 | 1 | a Henrichsen, Trine4 aut |
700 | 1 | a Bjørsvik, Cathrine4 aut |
700 | 1 | a Grotmol, Tom4 aut |
700 | 1 | a Saether, Thomas4 aut |
700 | 1 | a Malm, Johanu Lund University,Lunds universitet,Klinisk kemi, Malmö,Forskargrupper vid Lunds universitet,Clinical Chemistry, Malmö,Lund University Research Groups4 aut0 (Swepub:lu)klke-jma |
700 | 1 | a Figenschau, Yngve4 aut |
700 | 1 | a Hagmar, Lars4 aut |
700 | 1 | a Rylander, Larsu Lund University,Lunds universitet,Avdelningen för arbets- och miljömedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Occupational and Environmental Medicine, Lund University,Department of Laboratory Medicine,Faculty of Medicine4 aut0 (Swepub:lu)ymed-lry |
700 | 1 | a Levine, Richard J4 aut |
700 | 1 | a Giwercman, Aleksanderu Lund University,Lunds universitet,Reproduktionsmedicin, Malmö,Forskargrupper vid Lunds universitet,Reproductive medicine, Malmö,Lund University Research Groups4 aut0 (Swepub:lu)kir-agi |
710 | 2 | a Reproduktionsmedicin, Malmöb Forskargrupper vid Lunds universitet4 org |
773 | 0 | t Journal of Clinical Endocrinology and Metabolismd : The Endocrine Societyg 89:9, s. 4397-4402q 89:9<4397-4402x 1945-7197x 0021-972X |
856 | 4 | u http://jcem.endojournals.org/cgi/content/full/89/9/4397x freey FULLTEXT |
856 | 4 | u http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=15356037&dopt=Abstractx freey FULLTEXT |
856 | 4 | u http://dx.doi.org/10.1210/jc.2004-0427y FULLTEXT |
856 | 4 | u https://academic.oup.com/jcem/article-pdf/89/9/4397/10771094/jcem4397.pdf |
856 | 4 8 | u https://lup.lub.lu.se/record/127507 |
856 | 4 8 | u https://doi.org/10.1210/jc.2004-0427 |
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