Study on the Interaction between Serum Thyrotropin and Semen Parameters in Men
The effect of thyroid function on semen parameters has been studied in pathological conditions in small studies. With this research work, we aimed to study thyroid hormone effects on semen parameters in 130 men who were evaluated for couple subfertility. Our study was cross-sectional. We noted semen volume, sperm concentration, total sperm count, testosterone levels and thyrotropin (TSH) levels. The analysis included ordinary least squares regression (OLS-R), quantile regression (QR) and segmented line regression (SR). Using OLS-R, a weak negative correlation was found between the logTSH levels and semen volume (r = -0.16, r2 = 0.03, p = 0.05). In Q-R, each incremental unit increase in logTSH decreased the mean semen volume between -0.78 ± 0.44 and -1.33 ± 0.34 mL (40-60th response quantile) and between -1.19 ± 0.71 and -0.61 ± 0.31 mL (70-90th response quantile) (p = 0.049). With SR, a biphasic relationship of sperm concentration with TSH was noted (positive turning to negative, peaking at TSH = 1.22 μIU/mL). Thus, a weak negative association between the TSH levels and semen volume was noted, showing a trough within the usual normal range for TSH. Moreover, a biphasic relationship between the sperm concentration and TSH was also noted, peaking at approximately mid-normal TSH levels. Based on our results, TSH explained slightly less than 3% of the variation in semen volume and 7% of the sperm concentration (thus, other factors, which were not studied here, have a more important effect on it).
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:10 |
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| Enthalten in: |
Medical sciences (Basel, Switzerland) - 10(2022), 2 vom: 04. Apr. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Kakoulidis, Ioannis [VerfasserIn] |
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| Links: |
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| Themen: |
3XMK78S47O |
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| Anmerkungen: |
Date Completed 26.04.2022 Date Revised 28.07.2022 published: Electronic Citation Status MEDLINE |
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| doi: |
10.3390/medsci10020022 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM339953373 |
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| 520 | |a The effect of thyroid function on semen parameters has been studied in pathological conditions in small studies. With this research work, we aimed to study thyroid hormone effects on semen parameters in 130 men who were evaluated for couple subfertility. Our study was cross-sectional. We noted semen volume, sperm concentration, total sperm count, testosterone levels and thyrotropin (TSH) levels. The analysis included ordinary least squares regression (OLS-R), quantile regression (QR) and segmented line regression (SR). Using OLS-R, a weak negative correlation was found between the logTSH levels and semen volume (r = -0.16, r2 = 0.03, p = 0.05). In Q-R, each incremental unit increase in logTSH decreased the mean semen volume between -0.78 ± 0.44 and -1.33 ± 0.34 mL (40-60th response quantile) and between -1.19 ± 0.71 and -0.61 ± 0.31 mL (70-90th response quantile) (p = 0.049). With SR, a biphasic relationship of sperm concentration with TSH was noted (positive turning to negative, peaking at TSH = 1.22 μIU/mL). Thus, a weak negative association between the TSH levels and semen volume was noted, showing a trough within the usual normal range for TSH. Moreover, a biphasic relationship between the sperm concentration and TSH was also noted, peaking at approximately mid-normal TSH levels. Based on our results, TSH explained slightly less than 3% of the variation in semen volume and 7% of the sperm concentration (thus, other factors, which were not studied here, have a more important effect on it) | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a human | |
| 650 | 4 | |a male | |
| 650 | 4 | |a semen analysis | |
| 650 | 4 | |a thyroid | |
| 650 | 4 | |a thyrotropin | |
| 650 | 7 | |a Testosterone |2 NLM | |
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| 700 | 1 | |a Stergiotis, Stefanos |e verfasserin |4 aut | |
| 700 | 1 | |a Togias, Stefanos |e verfasserin |4 aut | |
| 700 | 1 | |a Michou, Aikaterini |e verfasserin |4 aut | |
| 700 | 1 | |a Lekkou, Anastasia |e verfasserin |4 aut | |
| 700 | 1 | |a Mastrodimou, Vasiliki |e verfasserin |4 aut | |
| 700 | 1 | |a Pappa, Athina |e verfasserin |4 aut | |
| 700 | 1 | |a Milionis, Charalampos |e verfasserin |4 aut | |
| 700 | 1 | |a Venaki, Evangelia |e verfasserin |4 aut | |
| 700 | 1 | |a Koukkou, Eftychia |e verfasserin |4 aut | |
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