most common cause
functional GnRH deficiency
Basic Diagnostics
bone age
FSH, LH
E2
If hypo-hypo or hyper-hypo
Hypo hypo: PRL, TSH, brain MRI with GAD, DHEAS, CBC, ESR, LFT, pelvic UTZ
hyper-hypo karyotype
therapuetics
induction of puberty using estrogen after 12 yo
0.25-0.5 mg micronized E2 or its equivalent oral or transdermal
monitor q3-6 months with bone age and tanner
then add progestin after 12-24months or once with menses
GOAL: sexual maturation in 2-3 years
causes
functional gnrh deficiency
suppression c/o chronic stress
malnutrition
excessive exercise
genetic defect
anatomic
target height
midparental height +/- 8.5 cm
(fathers-13 + mama) /2