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Results 1 - 2 of 2 for Secondary amenorrhea
  1. 17 alpha-hydroxylase/17,20-lyase deficiency 
    ... hydroxylase/17,20-lyase deficiency do not develop secondary sex characteristics, such as breasts and pubic hair, and do not menstruate (amenorrhea). Women with partial 17α-hydroxylase/17,20-lyase ...
    https://medlineplus.gov/...-alpha-hydroxylase-17-20-lyase-deficiency - Genetics
  2. Kallmann syndrome 
    ... At puberty, most affected individuals do not develop secondary sex characteristics, such as the growth of facial ...
    https://medlineplus.gov/genetics/condition/kallmann-syndrome - Genetics