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Male Tanner Stage

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1. Male Tanner Stage

Male Tanner Stage Male Tanner Stage Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Male Tanner Stage Male Tanner Stage Aka: Male (...) Tanner Stage , Male Sexual Development , Male Tanner Staging , Testicle Size , Tanner Boys Genital Development Stage II. Stage: Tanner 1 (Prepubertal) Height increases at basal rate: 5-6 cm/year Smaller than 4 ml or long axis <2.5 cm Pubic No coarse, pigmented hair Stage No growth III. Stage: Tanner 2 Height increases at basal rate: 5-6 cm/year Size 4 ml or long axis 2.5 to 3.2 cm Age 11.5 years (age 9.5 to 13.5 years) Pubic Minimal coarse, pigmented hair at base of penis Age 12.0 years (age 9.9

2018 FP Notebook

2. Effect of Adjusting for Tanner Stage Age on Prevalence of Short and Tall Stature of Youths in the United States. (PubMed)

Effect of Adjusting for Tanner Stage Age on Prevalence of Short and Tall Stature of Youths in the United States. To evaluate the extent to which pubertal timing alters the classification of extremes of attained stature across race-ethnicity groups of youths in the US.We performed analyses of height and Tanner staging data of 3206 cross-sectional national sample of youths ages 8-18 years (53% male, n = 1606), 72% of whom were non-Hispanic white, 9% Mexican American, and 19% non-Hispanic black (...) . Specialized growth models were used to derive Tanner-stage-age-adjusted z scores (TSAHAZ). The prevalence of shortness (<-1SD) and tallness (≥+1SD) status was quantified using TSAHAZ.Highly variable patterns of prevalence of shortness and tallness via chronologic age height z score (CAHAZ) were observed in results stratified by race-ethnicity and sex. Tallness CAHAZ prevalence was high among non-Hispanic white and non-Hispanic black male youths relative to Mexican American (40.0%-43.3% vs 20.5

2018 Journal of Pediatrics

3. Male Tanner Stage

Male Tanner Stage Male Tanner Stage Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Male Tanner Stage Male Tanner Stage Aka: Male (...) Tanner Stage , Male Sexual Development , Male Tanner Staging , Testicle Size , Tanner Boys Genital Development Stage II. Stage: Tanner 1 (Prepubertal) Height increases at basal rate: 5-6 cm/year Smaller than 4 ml or long axis <2.5 cm Pubic No coarse, pigmented hair Stage No growth III. Stage: Tanner 2 Height increases at basal rate: 5-6 cm/year Size 4 ml or long axis 2.5 to 3.2 cm Age 11.5 years (age 9.5 to 13.5 years) Pubic Minimal coarse, pigmented hair at base of penis Age 12.0 years (age 9.9

2015 FP Notebook

4. Processing and Cryopreservation of Male and Female Gonadal Tissue and Gametes Prior to or after Gonadotoxic Treatment to Preserve Fertility for the Future

that cryopreservation of semen has non-inferior safety with superior effectiveness and is probably cost-effective with storage costs removed from the economic modelling. MSAC advised that the MBS item descriptor should be limited to semen collection, post- pubertal males in Tanner stages II–V, with specialist referral only and a maximum of two semen collection cycles. MSAC did not support MBS funding for testicular tissue biopsy, processing and cryopreservation in pre-pubertal children undergoing gonadotoxic (...) should specify the service is limited to boys at Tanner II stage or above for puberty. MSAC noted that the item should require specialist referral and that the limit on the number of cycles should be included in the descriptor, as recommended by ESC. MSAC advised categorisation of the procedure as a Type C procedure (out-of-hospital procedures which do not normally require hospital accommodation/admission) would be appropriate. MSAC noted consumer support for access to this service and concern

2017 Medical Services Advisory Committee

5. Timing of maturation and predictors of Tanner stage transitions in boys enrolled in a contemporary British cohort. (PubMed)

support to the strong influence of pre-adolescent body size on male pubertal development; the tallest and heaviest boys at 8 years achieved each stage earlier and the shortest boys later. Age at attainment of pubic hair Tanner stages in the ALSPAC cohort are similar to ages reported in other European studies that were conducted during overlapping time periods. This cohort will continue to be followed for maturational information until age 17.© 2010 Blackwell Publishing Ltd. (...) Timing of maturation and predictors of Tanner stage transitions in boys enrolled in a contemporary British cohort. This study describes the timing of puberty in 8- to 14-year-old boys enrolled in the Avon Longitudinal Study of Parents and Children (ALSPAC) and identifies factors associated with earlier achievement of advanced pubic hair stages. Women were enrolled during pregnancy and their offspring were followed prospectively. We analysed self-reported pubic hair Tanner staging collected

2011 Paediatric and perinatal epidemiology

6. Bicalutamide as an Androgen Blocker With Secondary Effect of Promoting Feminization in Male-to-Female Transgender Adolescents. (PubMed)

insurance company denial of a gonadotropin-releasing hormone analog. Six patients received estrogen concurrently. Of 13 patients treated exclusively with bicalutamide seen in follow-up, 84.6% had breast development within 6 months, the majority being ≥ Tanner stage III.Bicalutamide may be an alternative to gonadotropin-releasing hormone analogs in transgender male-to-female youth who are also ready to undergo physical transition.Copyright © 2018 Society for Adolescent Health and Medicine. Published (...) Bicalutamide as an Androgen Blocker With Secondary Effect of Promoting Feminization in Male-to-Female Transgender Adolescents. The purpose of the study was to describe the novel use of bicalutamide in transgender youth.This is a retrospective review of patients with gender dysphoria followed in the pediatric endocrine clinic at Riley Hospital for Children.Of 104 patients with gender dysphoria, 23 male-to-female adolescents received bicalutamide 50 mg daily as a second-line puberty blocker after

2019 The Journal of Adolescent Health

7. Distribution of Semen Parameters Among Adolescent Males Undergoing Fertility Preservation in a Multicenter International Cohort. (PubMed)

of azoospermia and lower semen parameters compared to adults. In conjunction with physical examination, Tanner stage, and specific clinical context, these data can help to inform patients and their families about potential for fertility preservation, even in very young adolescent patients.Copyright © 2019 Elsevier Inc. All rights reserved. (...) Distribution of Semen Parameters Among Adolescent Males Undergoing Fertility Preservation in a Multicenter International Cohort. To determine the distribution of semen parameters among adolescent and adult males presenting for fertility preservation.A retrospective, cross-sectional cohort study of adolescent males age 11-19 who underwent semen analysis for fertility preservation at 3 centers in 2 countries with a comparison cohort of adult men presenting for fertility preservation. Prevalence

2019 Urology

8. Moyamoya syndrome in a male pseudohermaphrodite patient with congenital adrenal hyperplasia - a rare association. Case report and review of literature. (PubMed)

. To our knowledge, this association has not been reported. Clinical presentation: The 42-year-old patient presented with an intraventicular bleed. Cerebral angiography revealed moyamoya vasculopathy. He was hypertensive and had primary amenorrhea. Secondary sexual characteristics were poorly developed and he had ambiguous genitalia. Breast development was Tanner stage 3. Investigation revealed hypokalemia. With primary amenorrhea, persistent hypokalemia, hypertension and ambiguous genitalia, CAH (...) Moyamoya syndrome in a male pseudohermaphrodite patient with congenital adrenal hyperplasia - a rare association. Case report and review of literature. Background and importance: Moyamoya syndrome causes progressive stenosis of intracranial internal carotid arteries and may be associated with genetic disorders like Down's or Turner's syndromes. We treated a male pseudohermaphrodite patient with congenital adrenal hyperplasia (CAH) with clinical and radiological features of moyamoya vasculopathy

2019 British Journal of Neurosurgery

9. Efficacy and Safety of Long Term Use of hCG or hCG Plus hMG in Males With Isolated Hypogonadotropic Hypogonadism (IHH)

firstly appeared in the semen will be recorded. Serum testosterone levels [ Time Frame: 3 months. ] The serum testosterone levels will be tested in every visit. Testicular volume [ Time Frame: 3 months. ] Testicular volume will be measured using a Prader orchidometer. Penis length [ Time Frame: 3 months. ] Penis length will be measured from the pubic symphysis to glans using a vernier caliper. Pubic hair [ Time Frame: 3 months. ] Pubic hair will be evaluated according to Tanner pubertal stages (...) . Genitalia [ Time Frame: 3 months. ] Genitalia will be evaluated according to Tanner pubertal stages. Other Outcome Measures: Height [ Time Frame: 3 months. ] Height will be measured at every visit. Weight [ Time Frame: 3 months. ] Weight will be measured at every visit. Feeling of inferiority scale score [ Time Frame: 3 months. ] Feeling of inferiority scale scores will be obtained using feeling of inferiority scale. Eligibility Criteria Go to Information from the National Library of Medicine Choosing

2018 Clinical Trials

10. Efficacy and Safety of Corifollitropin Alfa (MK-8962) in Combination With Human Chorionic Gonadotropin (hCG) in Adolescent Males With Hypogonadotropic Hypogonadism (HH)

of height (cm) and time (in years) and age as covariates. Tanner Stage of Pubertal Development at Week 12, Week 36, and Week 64 [ Time Frame: Baseline, Week 12, Week 36, and Week 64 ] Tanner Staging will be recorded for both pubic hair and testicular volume. Area-Under-The-Curve at Steady State (AUC_ss) of Corifollitropin Alfa [ Time Frame: Pre-initial-dose up to 64 weeks ] AUC_ss of corifollitropin alfa through 64 weeks of treatment Maximum Concentration at Steady State (Cmax_ss) of Corifollitropin (...) Efficacy and Safety of Corifollitropin Alfa (MK-8962) in Combination With Human Chorionic Gonadotropin (hCG) in Adolescent Males With Hypogonadotropic Hypogonadism (HH) Efficacy and Safety of Corifollitropin Alfa (MK-8962) in Combination With Human Chorionic Gonadotropin (hCG) in Adolescent Males With Hypogonadotropic Hypogonadism (HH) - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search

2017 Clinical Trials

11. Cardiac Biomarker Release after Endurance Exercise in Male and Female Adults and Adolescents. (Full text)

and NT-proBNP at rest, immediately postexercise, and at 1, 3, 6, 12, and 24 hours postexercise. Adolescents were classified according to pubertal status: Tanner stages 3 (n = 14), 4 (n = 22), and 5 (n = 14).Exercise resulted in an increase in both biomarkers. hs-cTnT responses to exercise were similar in adolescents with different pubertal status and adults, although there was substantial individual variability in peak hs-cTnT, with the upper reference limit exceeding in 62% of the participants (...) Cardiac Biomarker Release after Endurance Exercise in Male and Female Adults and Adolescents. To compare the responses of high-sensitivity cardiac troponin T (hs-cTnT) and NH2-terminal probrain natriuretic peptide (NT-proBNP) after 60 minutes of swimming in male and female adults and adolescents with different pubertal status.Adolescent swimmers (25 male and 25 female) and adult swimmers (7 male and 9 female) participated in a 60-minute maximal swimming test with serial assessment of hs-cTnT

2017 Journal of Pediatrics PubMed

12. Impact of phthalate and BPA exposure during in utero windows of susceptibility on reproductive hormones and sexual maturation in peripubertal males (Full text)

, dehydroepiandrosterone sulfate (DHEA-S), inhibin B, and sex hormone-binding globulin (SHBG), and assessed sexual maturation (Tanner staging and testicular volume) among male children at age 8-14 years (n = 109). Linear and logistic regression were used to investigate trimester-specific in utero exposure as predictors of peripubertal hormone levels and sexual maturation, respectively. In sensitivity analyses we evaluated estimated exposure at 7 weeks gestation and rates of change in exposure across pregnancy (...) in relation to outcomes.Exposure to phthalates during the third trimester was associated with reduced odds of having a Tanner stage >1 for pubic hair development (e.g. MBzP OR = 0.18 per interquartile range (IQR) increase; 95% CI:0.03-0.97) and higher peripubertal SHBG levels (e.g. MBzP 15.2%/IQR; 95% CI:3.2-28%), while first and second trimester phthalates were not. In contrast, exposure to DEHP during the first trimester was associated with higher estradiol (11%/IQR; 95% CI:1.5-22%), while second

2017 Environmental Health PubMed

13. Cystatin C serum levels in healthy children are related to age, gender, and pubertal stage. (Full text)

the second year of age, the levels remain stable for eight years. From 11 to 14 years of age, there is an increase of median CysC levels in males to 0.98 mg/l and a decrease in females to 0.86 mg/l. The change is associated with puberty (ß = 0.105 mg/l/Tanner stage, p < 0.001 in males and ß = - 0.093 mg/l/Tanner stage, p < 0.01 in females) and in males with height (ß = 0.003 mg/l/cm, p < 0.001).CysC levels depend on age, gender, and height, especially during infancy and puberty. We recommend the use (...) Cystatin C serum levels in healthy children are related to age, gender, and pubertal stage. This study aims to establish age- and gender-specific cystatin C (CysC) reference values for healthy infants, children, and adolescents and to relate them to pubertal stage, height, weight, and body mass index (BMI).Serum CysC and creatinine levels of 6217 fasting, morning venous blood samples from 2803 healthy participants of the LIFE Child study (age 3 months to 18 years) were analyzed

2018 Pediatric Nephrology PubMed

14. Body composition in males with adolescent idiopathic scoliosis: a case-control study with dual-energy X-ray absorptiometry. (Full text)

), and bone mineral density (BMD) were analyzed using dual-energy X-ray absorptiometry. The LM index (LMi) and the FM index (FMi) were calculated by dividing the FM and LM by the square of the SH. Logistic regression analysis was employed for comparison between AIS and controls.The AIS patients had comparable age and Tanner staging for pubic hair as the controls. After adjustment for age, the AIS patients showed comparable SH but significantly lower BW and BMI than that of the controls. The LM, LMi, BMC (...) Body composition in males with adolescent idiopathic scoliosis: a case-control study with dual-energy X-ray absorptiometry. In contrast to the well-characterized body growth and development of females with adolescent idiopathic scoliosis (AIS), the pubertal growth pattern of male patients has not been well-documented. Recently, significantly lower body weight (BW) and body mass index (BMI) were reported in males with AIS, and were thought to be related to curve progression. A case-control study

2016 BMC Musculoskeletal Disorders PubMed

15. Cross-Sectional Analysis of Penile Length in Males 13 to 15 Years Old According to Pubertal Development Stages. (PubMed)

Cross-Sectional Analysis of Penile Length in Males 13 to 15 Years Old According to Pubertal Development Stages. Genital development is affected by pubertal process to a great extent, and puberty is a complex phenomenon that is influenced by multiple factors resulting in individual differences. We studied penile length and its relationship to pubertal stage in boys 13 to 15 years old.Healthy boys who were candidates for military high school were evaluated between June and July 2011. Age (...) , residence and body mass index were recorded. Stretched penile length was measured. Pubic hair was assessed according to Tanner and Marshall staging. Genital puberty stage was defined by measurement of testicular volume with Prader orchidometer. Relationship of penile length to age, residence, pubertal stages and body mass index was evaluated statistically.A total of 1,539 boys were included in the study. Mean ages and number of patients according to genital stage were as follows. Mean age was 14 years

2012 Journal of Urology

16. Determination of 17OHPreg and DHEAS by LCMSMS: Impact of Age, Sex, Pubertal Stage and BMI on the Δ5-steroid-pathway. (Full text)

and reliable ultra-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) method for simultaneous quantification of DHEAS and 17OHPreg and to establish entire age-, sex- and pubertal stage-specific reference ranges in children.A total of 684 children, 453 (243 female, 210 male) with normal body mass index (BMI; <90th) and 231 (132 female, 99 male) obese subjects (>97th), were categorized into 11 age groups, and age- and Tanner stage (PH)-specific reference ranges were determined.The limit (...) Determination of 17OHPreg and DHEAS by LCMSMS: Impact of Age, Sex, Pubertal Stage and BMI on the Δ5-steroid-pathway. Dehydroepiandrosterone sulfate (DHEAS) and 17-hydroxypregnenolone (17OHPreg) are important for understanding the Δ5 pathway (e.g., in adrenarche and obesity). Although mass spectrometry has become the state-of-the-art method for quantifying steroids, there are few comprehensive age-, sex-, and pubertal stage-specific reference ranges for children.To develop a sensitive

2016 Journal of Clinical Endocrinology and Metabolism PubMed

17. Sex steroids in relation to sexual and skeletal maturation in obese male adolescents. (Full text)

y) at the start of a residential obesity treatment program and 90 age-matched controls were studied cross-sectionally. Pubertal status was assessed according to the Tanner method. Skeletal age was determined by an x-ray of the left hand. Morning concentrations of total testosterone (TT) and estradiol (E2) were measured by liquid chromatography-tandem mass spectrometry, free T (FT) was measured by equilibrium dialysis, and LH, FSH, SHBG, and PSA were measured by immunoassays.Genital staging (...) Sex steroids in relation to sexual and skeletal maturation in obese male adolescents. Childhood obesity is associated with an accelerated skeletal maturation. However, data concerning pubertal development and sex steroid levels in obese adolescents are scarce and contrasting.To study sex steroids in relation to sexual and skeletal maturation and to serum prostate specific antigen (PSA), as a marker of androgen activity, in obese boys from early to late adolescence.Ninety obese boys (aged 10-19

2014 Journal of Clinical Endocrinology and Metabolism PubMed

18. Mid-regional pro-atrial natriuretic peptide and blood pressure in adolescents: effect of gender and pubertal stage. (PubMed)

Mid-regional pro-atrial natriuretic peptide and blood pressure in adolescents: effect of gender and pubertal stage. Little is known about blood pressure in relation to circulating natriuretic peptide concentrations and gender in generally healthy adolescents. We studied 15-year-old females and males (n = 335) from the Danish site of the European Youth Heart Study (EYHS). Blood pressure was measured using a standardized protocol, sexual maturity was assessed according to Tanner stage (...) , and as a surrogate for atrial natriuretic peptide, we measured mid-regional pro-atrial natriuretic peptide (MR-proANP) in plasma. Compared with boys, girls had lower systolic blood pressure (SBP) (mean ± SD: 109.6 ± 9.9 mmHg vs 116.9 ± 11.4 mmHg, p < 0.0001) and higher plasma MR-proANP concentrations [median (interquartile range): 42.1 pmol/l (31.9-50.2 pmol/l) vs 36.6 pmol/l (30.6-44.9 pmol/l), p = 0.0046]. When female adolescents were further subdivided according to Tanner stage, there were no differences

2015 Blood pressure

19. The Longitudinal Effects of Physical Activity and Dietary Calcium on Bone Mass Accrual Across Stages of Pubertal Development. (Full text)

), physical activity and calcium intake by questionnaire, and pubertal development (Tanner stage) by examination for up to 7 years. Mixed-effects regression models were used to assess physical activity and calcium intake effects on BMC accrual at each Tanner stage. We found that self-reported weight-bearing physical activity contributed to significantly greater BMC accrual in both sexes and racial subgroups (black and nonblack). In nonblack males, the magnitude of the activity effect on total body BMC (...) accrual varied among Tanner stages after adjustment for calcium intake; the greatest difference between high- and low-activity boys was in Tanner stage 3. Calcium intake had a significant effect on bone accrual only in nonblack girls. This effect was not significantly different among Tanner stages. Our findings do not support differential effects of physical activity or calcium intake on bone mass accrual according to maturational stage. The study demonstrated significant longitudinal effects

2014 Journal of Bone and Mineral Research PubMed

20. Penile measurements in Tanzanian males: guiding circumcision device design and supply forecasting. (PubMed)

of a national HIV prevention strategy. Devices for adult/adolescent male circumcision could accelerate the pace of scaling up voluntary medical male circumcision. Detailed penile measurements of African males are required for device development and supply size forecasting.Consenting males undergoing voluntary medical male circumcision at 3 health facilities in the Iringa region, Tanzania, underwent measurement of the penile glans, shaft and foreskin. Age, Tanner stage, height and weight were recorded (...) Penile measurements in Tanzanian males: guiding circumcision device design and supply forecasting. Voluntary medical male circumcision decreases the risk in males of HIV infection through heterosexual intercourse by about 60% in clinical trials and 73% at post-trial followup. In 2007 WHO and the Joint United Nations Programme on HIV/AIDS (UNAIDS) recommended that countries with a low circumcision rate and high HIV prevalence expand voluntary medical male circumcision programs as part

2013 Journal of Urology

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