Tanner stage

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Tan·ner stage

a stage of puberty in the Tanner growth chart, based on pubic hair growth, development of genitalia in boys, and breast development in girls.
Farlex Partner Medical Dictionary © Farlex 2012

Tan·ner stage

(tan'ĕr stāj)
A development level of puberty in the Tanner growth chart, based on pubic hair growth, development of genitalia in boys, and breast development in girls.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


James, English pediatrician.
Tanner developmental scale - Synonym(s): Tanner growth chart
Tanner growth chart - a series of charts showing distribution of parameters of physical development for children by sex, age, and stages of puberty. Synonym(s): Tanner developmental scale
Tanner stage - stage of puberty on the Tanner growth chart.
Medical Eponyms © Farlex 2012
References in periodicals archive ?
The screening questionnaire included information used to determine the following: Tanner stage of pubertal development using modified diagrams (28); amount of ballet and sport and physical activity they participated in; as well as a brief description of any sport- or dance-related injuries in the 6 weeks prior to data collection.
The data collection for the Puberty Cohort began at 11.5 y of age and ended when the child was fully sexual matured (defined as Tanner stage 5 for pubic hair development and genital/breast development) or turned 18 y of age, whichever came first.
The minimum Tanner stage of puberty was 2 and median stage was 5 in both groups.
Pre-pubertal stage could be prolonged and pubertal development shifted to a later age in elite gymnasts, maintaining a normal rate of pubertal progression as normal girls require an average about two years for their breast development to progress from Tanner stage 2 to Tanner stage 4 (Daly et al., 1999; Dowthwaite et al., 2012).
It is well documented that retroareolar ovoid hyperechoic tissue was identified similar with nodular gynecomastia only in Tanner stage 1.
Testicular and pubic hair development was in Tanner stage II (testicular volume 6 ml).
Figure 1 shows the distribution of fasting glucose, fasting insulin, and HOMA-IR according with the Tanner stage in the study population.
Table 1 shows the distribution of the study population by age, weight, height and BMI, median BMI-SDs and type of school, categorised according to the Tanner stage and menarche.
Instead, HOMA-IR was inversely related to Tanner stage ([beta] = -0.90 (95% CI -1.40/-0.40); p = 0.001), as well as testicular volume ([beta] = -0.19 (95% CI -0.28/-0.09); p <0.001), and testosterone levels ([beta] = -0.13 (95% CI -0.20/-0.06); p <0.001).
Patients were regarded as being prepubertal if female breast development was Tanner stage I and if male testes were < 4 mL.
Stage of puberty was assessed by the attending physician, using Tanner stage, and categorized into prepubertal (T1), pubertal (T2-4), and postpubertal (T5).
Follow-up examination did not reveal an electrolyte disorder; the Tanner stage and bone age remained stable, and the levels of 17-OH progesterone dropped from 52.00 to 28.00 ng/ dL after 1 year and 3 months of treatment.