VERB 行经;来月经 When a woman menstruates, a flow of blood comes from her womb. Women menstruate once a month unless they are pregnant or have reached the menopause.
Lean hard-training women athletes may menstruate less frequently or not at all. 身材瘦削而且训练艰苦的女运动员行经可能不那么频繁,或者根本不来月经。
Methods: To use the alkalescent picrate methodology menstruates the nail creatinine ( NCr), and to use the ELISA methodology menstruates the retinol-binding protein ( RBP), and to use routine methodology menstruates the proportionality between RBP and urine creatinine ( RBP/ Ucr). 方法指甲肌酐(NCr)应用碱性苦味酸法,尿视黄醇结合蛋白(RBP)应用ELISA法及其与尿肌酐比值。