The only way to determine the exact length of luteal phase is through hormone - specific blood tests.
唯一能精确测定黄体期长度的方法就是通食谱大全过特别指定的荷尔蒙验血.
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英英释义
Noun
1. the second half of the menstrual cycle after ovulation; the corpus luteum secretes progesterone which prepares the endometrium for the implantation of an embryo; if fertilization does not occur then menstrual flow begins