scholarly journals Penile Length: A Study in Iranian Military Soldiers

2019 ◽  
Vol 3 (2) ◽  
pp. 33-40
Author(s):  
Hamed Mohseni Rad ◽  
Keyword(s):  
Penile Length

Reply to 'Penile length and circumference dimensions: A large study in young Italian men'

Andrologia ◽  
2021 ◽  
Author(s):  
Marina Di Mauro ◽  
Giorgio Ivan Russo ◽  
Andrea Cocci
Keyword(s):  
Large Study ◽  
Penile Length

Reproductive hormone concentrations and associated anatomical responses: does soy formula affect minipuberty in boys?

2021 ◽  
Author(s):  
Helen B Chin ◽  
Andrea Kelly ◽  
Margaret A Adgent ◽  
Stacy A Patchel ◽  
Kerry James ◽  
...  
Keyword(s):  
Infant Feeding ◽  
Serum Testosterone ◽  
Reproductive Hormones ◽  
Cow Milk ◽  
Milk Formula ◽  
Feeding Practice ◽  
Reproductive Hormone ◽  
Penile Length ◽  
High Exposure ◽  
Vaginal Cytology

Abstract Context Soy formula feeding is common in infancy and is a source of high exposure to phytoestrogens, documented to influence vaginal cytology in female infants. Its influence on minipuberty in males has not been established. Objective To assess the association between infant feeding practice and longitudinally measured reproductive hormones and hormone-responsive tissues in infant boys. Design The Infant Feeding and Early Development study was a prospective cohort of maternal-infant dyads requiring exclusive soy formula, cow-milk formula, or breastmilk feeding during study follow-up. Reproductive hormone concentrations and male anatomical measurements were longitudinally assessed from birth to 28 weeks. Setting Clinic-based cohort Participants 147 mother-infant boy pairs Interventions not applicable Main outcome measure Serum testosterone and luteinizing hormone (LH) concentrations, stretched penile length, anogenital distance, and testis volume. Results Median serum testosterone was at pubertal levels at 2 weeks [176 ng/dL (quartiles:124, 232)] and remained in this range until 12 weeks, in all feeding groups. We did not observe differences in trajectories of hormone concentrations or anatomical measures between boys fed soy formula (n=55) and boys fed cow-milk formula (n=54). Compared with breastfed boys (n=38), soy-formula-fed boys had a more rapid increase in penile length (p=0.004) and slower initial lengthening of AGD (p=0.03), but no differences in hormone trajectories. Conclusions Reproductive hormone concentrations and anatomical responses followed similar trajectories in soy and cow-milk formula-fed infant boys. Our findings suggest that these measures of early male reproductive development do not respond to phytoestrogen exposure during infancy.

Stretched penile length at birth: a systematic review

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Álvaro López-Soto ◽  
Mar Bueno-González ◽  
Maribel Urbano-Reyes ◽  
Javier Garví-Morcillo ◽  
José Luis Meseguer-González ◽  
...  
Keyword(s):  
Systematic Review ◽  
Normative Data ◽  
Cochrane Library ◽  
Penile Length ◽  
Eligibility Criteria ◽  
Independent Variables ◽  
Term Newborns ◽  
The Cochrane Library ◽  
Methodological Aspects ◽  
A Current

Abstract Background Micropenis is an endocrinological condition that is habitually observed at birth. Diagnosis is made by measuring the stretched penile length, a method established 80 years ago. Discrepancies in the normative data from recent studies raise the need for a current revision of the methodology. Objectives The aims of this systematic review were to compare the different normative data of SPL at birth, to examine the methodological aspects of the technique and to evaluate the independent variables that may be involved. Methods Searches were performed using MEDLINE, EMBASE, Scielo, the Cochrane Library and Web of Science. A combination of the relevant medical terms, keywords and word variants for “stretched penile length”, “penile length”, “penile size”, “newborn” and “birth” were used. Eligibility criteria included normative studies that used the stretched penile length (SPL) measurement on a population of healthy, full-term newborns during the first month of life. The outcomes studied included characteristics of the studies, methodological aspects and independent variables. Results We identified 49 studies comprising 21,399 children. Significant discrepancies are observed between the different studies. Methodological aspects seem to be consistent and similar. The main independent variables appear to be ethnic group and gestational age. Main limitations were the absence of studies of entire world regions such as Europe or South America, and the heterogeneity of the ethnic background that complicates the analysis. Conclusions It seems advisable to suggest the creation of customized reference charts for each specific population instead of resorting to the classic cut-off points.

scholarly journals The relationship of body mass index to penile length and testicular volume in adolescent boys

2012 ◽  
Vol 52 (5) ◽  
pp. 267
Author(s):  
Rizky Adriansyah ◽  
Muhammad Ali ◽  
Hakimi Hakimi ◽  
Melda Deliana ◽  
Siska Mayasari Lubis
Keyword(s):  
Body Mass Index ◽  
Body Mass ◽  
Junior High School ◽  
Testicular Volume ◽  
Adolescent Boys ◽  
Penile Length ◽  
School Students ◽  
Cross Sectional ◽  
Relationship Of ◽  
The Relationship

Background Evidence suggests that obesity may be related toearly onset of puberty in girls. However, few studies have found alink between body mass index (BMI) and puberty onset in boys.More study is needed to assess the relationship of BMI to penilelength and testicular volume.Objective To investigate the relationship ofBMI to penile lengthand testicular volume in adolescent boys.Methods A cross􀀿sectional study was carried out on adolescentboys aged 9 to 14 years in Secanggang District, Langkat Regency,North Sumatera Province in August 2009. Subjects' BMIs werecalculated by dividing body weight (BW) in kilograms by bodyheight (BH) in meters squared. Penile length (em) was measuredwith a spatula. We took the average of three measurements fromthe symphysis pubis to the tip of the glans penis. Testicular volume(mL) was estimated by palpation using an orchidometer. Pearson'scorrelation test (r) was used to assess the relationship of BMI topenile length and BMI to testicular volume.Resu lts There were 108 participants, consisting of 64primary school students and 44 junior high school students.Subjects' mean age was 11.7 (SO 1.62) years; mean BWwas 35.2 (SO 8.48) kg; mean BH was 1.4 (SO 0.11) m;mean BMI was 17.5 (SO 2.34) kg/m'; mean penile lengthwas 4.5 (SO 1.25) cm; and mean testicular volume was 3.6(SD 1.20) mL. We found no significant association betweenBMI and penile length (r􀀻-0.25, P􀀻0.06), nor betweenBMI and testicular volume (r􀀻-O.21; P􀀻O.09).Conclusion T here was no significant relationship ofBMI to penilelength nor BMI to testicular volume in adolescent boys.[Paediatr lndanes. 2012;52:267-71].

Penile Length in Adults after Baldder Exstrophy Reconstruction

2008 ◽  
Vol 4 ◽  
pp. S77 ◽  
Author(s):  
Enrique Jaureguizar ◽  
Roberto Lobato ◽  
Olga Suarez ◽  
Maria Jose Martinez Urrutia ◽  
Pedro Lopez Pereira
Keyword(s):  
Penile Length
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