
What is the Tanner stage test?
Sexual maturity ratings (SMRs) are widely used to assess adolescents' physical development during puberty in five stages (from preadolescent to adult). Also known as Tanner stages, SMRs are a way of assessing the degree of maturation of secondary sexual characteristics.
What is a Tanner stage 1?
Appendix 1. Tanner Stages of Sexual MaturationStagesGirls—Breast DevelopmentTanner Stage 1Prepubertal Only the papilla is elevated above the level of the chest wallTanner Stage 2Breast budding, elevation of breasts as small mounds, enlargement and widening of areolae. May be tender and not symmetrical bilaterally3 more rows
How many stages are in the Tanner scale?
five continuum stagesThis reference method, known as Tanner scale, allows classifying pubertal development into five continuum stages (from infantile to adult) on the basis of somatic changes in breast, pubic hair, and genital development (Marshall and Tanner, 1969, 1970).
How was the Tanner scale developed?
That standard, called The Tanner Stages of Development or The Tanner Scale, was devised in the late 1960s by James M Tanner and WA Marshall at the University of London's Institute of Child Health. It describes, in detail, how 192 white British girls' breasts and pubic hair changed in appearance as they became women.
What is a Tanner stage 2?
Puberty in females begins with the development of breast buds under the areola, also known as thelarche, and represents entry into Tanner Stage 2. As puberty progresses, the glandular tissue of the breast increases in size and changes in contour.
What does Tanner stage 3 mean?
Stage: Tanner 3. Height increases at peak rate: 8 cm/year (age 12.5) Breast. Elevation of Breast contour; areolae enlarge.
How do you remember the Tanner stages?
0:084:12Tanner Stages - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo how I remembered my Tama stages. I remember this little hand. And I really care about memorizingMoreSo how I remembered my Tama stages. I remember this little hand. And I really care about memorizing two three and four okay. So two because one is a baby five is an adult.
What Tanner stage do you grow the most?
Tanner stage 3, the growth spurt stageA major height growth spurt begins (averaging about 3.2 inches per year).Breast buds continue to grow.Pubic hair becomes thicker.Hair begins forming under the armpits.Acne may start to appear on the face and back.Fat begins to accumulate on the hips and thighs.
What age is Tanner stage 3?
ANNEX HSEXUAL MATURITY RATING (TANNER STAGING) IN ADOLESCENTSStageFemaleMaleAge range (years)Pubic hair growthII8–15Long downy hair, often appearing several months after testicular growth; variable pattern noted with pubarcheIII10–15Increase in amount; curlingIV10–17Adult in type but not in distribution2 more rows
What age does Tanner staging start?
Tanner stage 1 describes what's happening to your child before any physical signs of puberty appear. It typically starts after a female's 8th birthday and after a male's 9th or 10th birthday. At this stage, these internal changes are the same for males and females.
Are Tanner stages accurate?
Self-ratings of breast Tanner stage were concordant with actual stage in 48%, overestimated in 25%, and underestimated in 27% of nonobese girls. By contrast, breast Tanner stage was overestimated by 38% of obese girls and was underestimated by only 12%.
What Tanner stage is a 12 year old?
Tanner Stage 2 At about 12 years there is a slight increase in coarse pigmented pubic hair. In the female at about age 10.9 years, breast buds become palpable and the areole enlarge.
What are the 5 stages of puberty?
Tanner stages summaryTanner stages in malesAge at the startNoticeable changesStage 2Around age 11Pubic hair starts to formStage 3Around age 13Voice begins to change or “crack”; muscles get largerStage 4Around age 14Acne may appear; armpit hair formsStage 5Around age 15Facial hair comes in1 more row
What Tanner stage do you grow the most?
Tanner stage 3, the growth spurt stageA major height growth spurt begins (averaging about 3.2 inches per year).Breast buds continue to grow.Pubic hair becomes thicker.Hair begins forming under the armpits.Acne may start to appear on the face and back.Fat begins to accumulate on the hips and thighs.
What are the 5 stages of puberty in a girl?
The Stages of Puberty For GirlsStage One – ages 8-11. You can't see the first signs of puberty yet but the ovaries enlarge and hormone production begins.Stage Two – ages 8-14. Breast buds usually develop first. ... Stage Three – ages 9-15. ... Stage Four – ages 10-16. ... Stage Five – ages 12-19.
Are Tanner stages accurate?
Self-ratings of breast Tanner stage were concordant with actual stage in 48%, overestimated in 25%, and underestimated in 27% of nonobese girls. By contrast, breast Tanner stage was overestimated by 38% of obese girls and was underestimated by only 12%.
Why is the Tanner scale considered the gold standard?
Among researchers who study puberty, the Tanner scale is commonly considered the "gold standard" for assessing pubertal status when it is conducted by a trained medical examiner.
What is the Tanner scale?
The Tanner scale (also known as the Tanner stages or Sexual Maturity Rating (SMR)) is a scale of physical development in children, adolescents and adults.
When do tanners stop growing?
Usually, this happens in their mid teens at 15 or 16 years for females. Males also stop growing and reach their adult height sometime during Tanner 5, usually this happens in their late teens at 18–19 years for males.
Who wrote the book Adapted from Adolescent Health Care: a practical guide?
Adapted from Adolescent Health Care: a practical guide by Lawrence Neinstein , M.D.
Who is the author of the age classification system?
Tanner, the author of the classification system, has argued that age classification using the stages of the scale misrepresents the intended use. Tanner stages do not match with chronological age, but rather maturity stages and thus are not diagnostic for age estimation.
What is TANNER STAGING?
SEXUAL MATURITY RATING (TANNER STAGING) IN ADOLESCENTS - Antiretroviral Therapy for HIV Infection in Infants and Children: Towards Universal Access
What stage does menarche occur?
Menarche occurs in 10% of girls in stage V .
When does menarche occur?
Menarche occurs in most girls in stage IV, 1–3 years after thelarche
What is the meaning of stage 1 in a child?
Tanner stage 1. Tanner stage 1 describes a child’s appearance before any physical signs of puberty appear. Toward the end of stage 1, the brain is just starting to send signals to the body to prepare for changes. The hypothalamus begins to release gonadotropin-releasing hormone (GnRH).
Who was the first person to identify the stages of puberty?
Professor James M. Tanner, a child development expert, was the first to identify the visible stages of puberty. Today, these stages are known as the Tanner stages or, more appropriately, sexual maturity ratings. They serve as a general guide to physical development, although each person has a different puberty timetable.
What is puberty for adults?
Overview. As an adult, you probably remember puberty — a time when your body went through a lot of changes. And now you’re the parent of a child who’s experiencing these changes. You’ll want to know what to expect so you can help your child through each stage of development. Professor James M. Tanner, a child development expert, ...
When does puberty start for boys?
Boys. In boys, puberty usually starts around age 11. The testicles and skin around the testicles ( scrotum) begin to get bigger. Also, early stages of pubic hair forms on the base of the penis.
When do black girls start puberty?
On average, Black girls start puberty a year before white girls, and are ahead when it comes to breast development and having their first periods.
When do physical changes start in girls?
Physical changes in girls usually start after age 12. These changes include:
When do breasts start to grow?
Puberty usually starts between ages 9 and 11. The first signs of breasts, called “buds,” start to form under the nipple. They may be itchy or tender, which is normal. It’s common for breasts to be different sizes and grow at different rates. So, it’s normal if one bud appears larger than the other.
What is the first stage of growth?
Stage 1 is childhood. It lasts from birth until puberty. Stage 2 begins from the first external signs of puberty until your growth spurt. Stage 3 is the period when you grow the most quickly. Stage 4 starts when the rapid growth slows down and ends when you stop growing in height. Stage 5 is full physical maturity.
What does a 3.5 mean?
Thus, a “2.1” would mean that you just started showing signs of entering adolescence, a “3.5” would mean you are right in the middle of your growth spurt , while a “4.8” would mean that you are just about done physically developing. The scale on the calculator goes from 1.0 to 5.5. It goes above 5.0 to represent the additional development that takes place even after growth in height stops.
Is the stage of development tool accurate?
This is an experimental program attempting to determine your stage of development. The results will only be as accurate as the answers which you give. Do not expect this to substitute for the accurate answers a doctor could give you concerning your development. This tool makes no record of the information given unless you choose to submit a correction at the end.
What is the difference between Tanner 3 and Tanner 4?
Tanner 3 is when the breast tissue is getting noticeable; you can feel a mound start, but there isn’t much separation from the rest of the chest. Tanner 4 is where the areola forms a secondary mount on top of the breast mound.
Why is progesterone used in transgender women?
Because some believe that progestogens are necessary for full breast development, progesterone is sometimes used in transgender women with the intention of enhancing breast development.
What is a Tanner 5 breast?
Most likely you will have pointy breasts at this stage even without the secondary mound. Tanner 5 is a fully formed mature breast.
What is a Tanner 5?
Tanner 5 is a fully formed mature breast. Notice how Tanner 4 is kind of pointy? Tanner 5 is filled in and rounded.
When should I take progesterone?
Typically the rule of thumb for when to take Progesterone is at or after 1 year to allow full ductal breast development to take place and avoid stunting. I don’t have a citation for this, but this timeline is widely mentioned.
Is breast tanner scale a physiological stage?
Listen folks… Breast Tanner Scale is developmentally based, not size based. It’s not something interpretive, it is a physiological stage of development. Please refer to the chart below:
Can you reach Tanner 5 without progesterone?
Can you reach Tanner 5 without progesterone? In theory yes:

Overview
The Tanner scale (also known as the Tanner stages or Sexual Maturity Rating (SMR)) is a scale of physical development in children, adolescents and adults. The scale defines physical measurements of development based on external primary and secondary sex characteristics, such as the size of the breasts, genitals, testicular volume and development of pubic hair. This scale was first identified in 1969 by James Tanner, a British pediatrician, after a two-decade-long stud…
Stages
Adapted from Adolescent Health Care: a practical guide by Lawrence Neinstein, M.D.
Tanner I testicular volume less than 1.5 ml; small penis (prepubertal) Tanner II testicular volume between 1.6 and 6 ml; skin on scrotum thins, reddens and enlarges; penis length unchanged Tanner III testicular volume between 6 and 12 ml; scrotum enlarges further; penis begins to lengthen Tanner IV testicular volume between 12 and 20 ml; scrotum enlarges further and darke…
Height
During Tanner V, females stop growing and reach their adult height. Usually, this happens in their mid teens at 14 or 15 years for females. Males also stop growing and reach their adult height during Tanner V; usually this happens in their late teens at 16-17 years for males.
Tanner Stage data in history
In 1970, white boys reached the last Tanner stage, the postpubertal stage, on average at the age of 14.9 years and girls around the age of 14 depending on social class and the particular study. In the nearly fifty years since those studies, the ages at which children are beginning puberty has only declined: "The age of puberty, especially female puberty, has been decreasing in western cultures for decades now ... for example, at the turn of the 20th century, the average age for an A…
Criticism
The scale has been criticized by the pornography industry for its potential to lead to false child pornography convictions, such as in the case when United States federal authorities used it to assert that pornographic actress Lupe Fuentes was underage. Fuentes personally appeared at the trial and provided documentation that showed that the DVDs in question were legally produced.
Tanner, the author of the classification system, has argued that age classification using the stag…
See also
• Delayed puberty
• Gonadarche
• Pubarche
• Vellus
• Precocious puberty
External links
• The Male Tanner stages
• The Female Tanner stages
• "Line drawing of female Tanner stages (genitals)".
• "Line drawing of male Tanner stages".