Penile length and anogenital distance in male newborns from different Iranian ethnicities in golestan province

Iranian Red Crescent Medical Journal
Ehsan AlaeeMahnaz Fouladinejad

Abstract

Anogenital distance (AGD) is a feasible and accepted parameter of exogenous or endogenous androgens effects on development of reproductive system. Since there is no report on penile length (PL) and AGD in our region, we investigated these parameters in male newborns in Golestan Province, Iran. In this cross-sectional study, we measured stretched PL and AGD in term newborns from different races in Dezyani Gynecologic Hospital of Gorgan, Iran. We also recorded the anthropometric parameters and maternal age. The data was analyzed using the SPSS 14. Means of PL and AGD of 427 healthy term newborns were 32.1 ± 3.5 and 24.5 ± 2.5 mm, respectively. There was a positive correlation between PL and AGD (r = 0.097, P = 0.046). According to their ethnicity, there were 166 Fars (38.9%), 129 Turkmen (30.2%), and 132 Sistani (30.9%) infants with mean PL of respectively 31.8 ± 3.9, 32.3 ± 3.3, and 32.4 ± 3.3 mm and mean AGD of respectively 25 ± 2.5, 24.3 ± 2.5, and 24 ± 2.5 mm. One Fars neonate (0.23%) had micropenis (PL = 21.3 mm). Using -2.5 standard deviations as the cutoff for micropenis, a newborn infant in Golestan Province with a PL of < 23.3 mm had micropenis; however, more investigations are needed to clarify this issue.

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Citations

Feb 6, 2017·International Journal of Pediatric Endocrinology·Serwah Bonsu Asafo-AgyeiSamuel Blay Nguah
Sep 25, 2017·Hormone Research in Pædiatrics·Serwah Bonsu Asafo-AgyeiOlumide Olatokunbo Jarrett
Jun 26, 2020·Frontiers in Endocrinology·Mohammadreza AlaeiFahimeh Soheilipour
May 22, 2018·Frontiers in Endocrinology·Fahimeh SoheilipourHamid Salehiniya
Jul 30, 2021·Journal of Pediatric Endocrinology & Metabolism : JPEM·Álvaro López-SotoJuan Pedro Martínez-Cendán

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