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ey0017.7-2 | Clinical Guidance | ESPEYB17

7.2. Sex-specific estrogen levels and reference intervals from infancy to late adulthood determined by LC-MS/MS

H Frederiksen , TH Johannsen , SE Andersen , J Albrethsen , SK Landersoe , JH Petersen , AN Andersen , ET Vestergaard , ME Schorring , A Linneberg , KM Main , AM Andersson , A Juul

To read the full abstract: Journal of clinical endocrinology and metabolism vol. 105,3 (2020):754768. doi: https://academic.oup.com/jcem/article/105/3/754/5624050The authors used state-of-the-art liquid chromatography tandem mass spectrometry to establish sex-specific reference ranges for estrone (E1) and estradiol (E2) throughout life and evaluate sex-differences.</...

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ey0020.5-4 | Clinical Guidance and Studies | ESPEYB20

5.4. Reproductive markers of testicular function and size during puberty in boys with and without a history of cryptorchidism

W Rodprasert , JJ Koskenniemi , HE Virtanen , S Sadov , A Perheentupa , H Ollila , J Albrethsen , A-M Andersson , A Juul , NE Skakkebaek , KM Main , J Toppari

Brief summary: This prospective longitudinal study compared serum reproductive hormone levels and testicular volume around the onset of puberty between cryptorchid and healthy boys.Congenital cryptorchidism is the most common congenital anomaly among newborn boys, and still little is known about pubertal testicular function and serum reproductive hormone levels during puberty in this population.Pubertal follow-up with clinical exam...

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ESPE Yearbook of Paediatric Endocrinology

7.2. Sex-specific estrogen levels and reference intervals from infancy to late adulthood determined by LC-MS/MS

5.4. Reproductive markers of testicular function and size during puberty in boys with and without a history of cryptorchidism

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