16-year-old girl with sho height, amenorrhea with widely spaced nipple. Karyotyping is;
Given features suggests the diagnosis of Turner's syndrome. Turner's syndrome Most common sex chromosomal disorder in phenotypic females. Results from complete or paial loss of one X chromosome (45, XO) Features: Sho stature Coarctation of aoa Cubitus valgus Streak ovaries, infeility, amenorrhea Peripheral lymphedema at bih Low posterior hairline Webbing of neck Broad chest and widely spaced nipples
45 X0
46 XO
47 XXX
46XY
FMGE 2019