Practice Committee of American Society for Reproductive Medicine. Current evaluation of amenorrhea. Fertil Steril. 2008 Nov;90(5 Suppl):S219-25. doi: 10.1016/j.fertnstert.2008.08.038. PMID: 19007635.
Amenorrhea is absence or abnormal cessation of the menses. Primary and secondary amenorrhea describe the occurrence of amenorrhea before and after menarche, respectively.
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