Does breastfeeding influence future sperm quality and reproductive hormones
作者： J. M. Laustsen , M. S. Jensen , A. M. Thulstrup , P. Gabel , G. Toft
DOI: 10.1111/J.1365-2605.2010.01070.X
关键词:
摘要: No human study has investigated the possible impact of breastfeeding on semen quality and levels reproductive hormones, but a recent another hypothesis indicated an association with oligozoospermia. We between breastfeeding, hormones. From Danish pregnancy cohort established in 1984-1987, 347 sons were selected according to maternal smoking during followed up questionnaires, analysis blood sampling 2005-2006. Complete data available for 269 men aged 18-21 years. Breastfeeding was not statistically significantly associated sperm concentration, total count, motility or morphology, oligozoospermia, follicle-stimulating hormone, inhibin B, luteinizing sex hormone-binding globulin (SHBG), calculated level free testosterone, oestradiol, testosterone/free oestradiol ratio hormone/inhibin B ratio. Total testosterone 16% (p = 0.01) 14% 0.06), respectively, lower among never breastfed comparison exclusively 1 month longer. When taking SHBG into account, neither nor different two groups. This shows no hormones strong is unlikely. A larger would be needed detect more subtle effects.
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