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Delayed puberty
Growth in a patient with constitutional delay in growth and puberty; X indicates bone age; arrow indicates age at onset of pubertal development
From the collection of Dr A. Mehta
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Delayed puberty
Hypothalamo-pituitary-gonadal feedback loop. GnRH, gonadotrophin-releasing hormone; FSH, follicle-stimulating hormone; LH, luteinising hormone
From the collection of Dr A. Mehta
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Delayed puberty
Method of comparing testicular size using the Prader orchidometer
From the collection of Dr A. Mehta
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Delayed puberty
Prader orchidometer
Created by BMJ Knowledge Centre
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Delayed puberty
Tanner staging: A, genital rating standards in boys; B, pubic hair rating standards in boys; C, breast rating standards in girls; D, pubic hair rating standards in girls
Adapted from Marshall WA, Tanner JM. Arch Dis Child. 1970;45:13-23; Marshall WA, Tanner JM. Arch Dis Child. 1969;44:291-303
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Delayed puberty
Evaluation of a patient with delayed puberty. CDGP, constitutional delay of growth and puberty; DP, delayed puberty; FT4, free T4; GHD, GH deficiency; PRL, prolactin; TFT, thyroid function test
Endocr Rev. 2019 Oct; 40(5): 1285–1317; used with permission
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