期刊
FERTILITY AND STERILITY
卷 90, 期 -, 页码 S219-S225出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.fertnstert.2008.08.038
关键词
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Amenorrhea is the absence or abnormal cessation of the menses. Primary and secondary amenorrhea describe the occurrence of amenorrhea before and after menarche, respectively. (Fertil Steril (R) 2008;90:S219-25. (C)2008 by American Society for Reproductive Medicine.)
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