The girl who has 'stopped growing': growth assessment at a school health check
Sunita, 14 years 2 months old and in Class 9 at a government school in Rajasthan, is 148 cm tall and weighs 38 kg. Her mother reports menarche at 12 years 8 months with regular cycles since, but heavy bleeding for the past four months. The school health record shows haemoglobin 9.6 g/dL. She leaves home at 6:40 a.m. without breakfast, buys a samosa at the canteen, and eats one large meal at 9 p.m. She has cut out milk and curd since classmates teased her about her weight, and drinks tea with both meals. Her father is 165 cm and her mother 152 cm tall. Over two terms her marks have fallen from 78% to 62%, and her teacher reports that she dozes through the first two periods. Her parents fear she has stopped growing and ask the school counsellor whether hormone tablets are needed to make her taller.
1. Assess Sunita's growth status from the data given: calculate her BMI, interpret it for her age, calculate mid-parental height, and decide whether the parents' fear that she has stopped growing is supported by the evidence.
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BMI. 38 ÷ (1.48 × 1.48) = 38 ÷ 2.19 = 17.4 kg/m². On WHO BMI-for-age for girls of 14 years the median is close to 18.7, so 17.4 sits roughly at −1 SD: within the normal band, but at its lower edge. She is not wasted, yet nothing here rules out recent faltering.
Mid-parental height (girls). (father + mother − 13) ÷ 2 = (165 + 152 − 13) ÷ 2 = 152 cm. The accepted target range is ±8.5 cm, i.e. 143.5–160.5 cm. Her 148 cm falls comfortably inside her genetic range, so there is no arithmetic support for pathological short stature.
What a single measurement cannot tell us. Height is a point; growth is a slope. I would ask for her previous heights from the school register. A girl who has menstruated normally gains most of her remaining 5–7 cm in the first two years after menarche; a velocity under 4 cm/year, a fall across two centile lines, or no measurable gain in six months would change the answer and justify referral for bone age and endocrine review.
Conclusion: on present data the fear is not supported - she is a constitutionally short but proportionate girl. The real problems visible in this record are the anaemia, the eating pattern and the falling marks, not height.
2. Explain how her eating pattern could produce both the haemoglobin value and the classroom drowsiness, and outline the changes you would negotiate with her rather than impose.
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The chain of reasoning. Adolescence is the life stage with the highest iron requirement - Indian recommendations for adolescent girls are around 27–28 mg of iron a day - and heavy menstrual bleeding for four months adds a recurring loss on top of that. Her intake runs the other way: no breakfast, a refined-flour samosa, one large late meal, no milk or curd, and tea with both meals. Tannins in tea bind non-haem iron and cut its absorption; there is almost no vitamin C in this pattern to counteract that; total energy is probably below requirement. Haemoglobin 9.6 g/dL is moderate anaemia, and anaemia reliably produces fatigue, reduced attention and the dozing the teacher describes - which explains the fall from 78% to 62% better than any intrinsic ability change.
Negotiating, not dictating. She has already restricted food because of teasing, so a lecture about diet will push her further. I would:
- Start from what she will actually eat - poha with peanuts, besan chilla, a stuffed paratha - rather than a prescribed menu.
- Add iron in cheap, familiar forms: green leafy vegetables, sprouts, roasted chana, jaggery, groundnuts; pair with lemon, amla or guava for vitamin C.
- Move tea to between meals, not with them.
- Enrol her in weekly iron-folic acid supplementation (60 mg elemental iron with 500 µg folic acid) under the school adolescent programme, with deworming.
Also: heavy bleeding of four months' duration is itself a reason to refer to a doctor, not to treat with diet alone.
3. Sunita asks directly whether hormone tablets would make her taller. Give a reasoned reply, and list the findings that would make you refer her to a doctor rather than reassure the family.
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The reasoned reply. Growth hormone has a defined use - documented growth hormone deficiency, Turner syndrome and a few specified conditions - and it works only while the epiphyses are open. Sunita has menstruated for over a year, so her growth plates are closing; her height already sits inside her mid-parental target; and she has no features suggesting deficiency. Giving hormone at this point would produce little height, at high cost, with real risks (raised intracranial pressure, glucose intolerance, slipped capital femoral epiphysis). I would also warn the family plainly that unregulated height-boosting pills sold over the counter may contain androgens, which cause virilisation and actually fuse the plates earlier. The honest answer is: the tablet is not the missing piece, and the anaemia is.
Refer if any of these appear:
- Height below the 3rd centile or below −2 SD for age.
- Growth velocity under 4 cm/year, or crossing two centile lines downward.
- Height far below the mid-parental target range.
- No breast development by 13–14 years, or other delayed puberty signs.
- Dysmorphic features, chronic illness, or a long-term steroid history.
- Bleeding heavy enough to soak a pad hourly, or haemoglobin continuing to fall despite treatment.
Reassurance is appropriate here, but it must be paired with a plan to re-measure her in three months and to treat the anaemia.