第十七章生殖内分泌疾病 Variation in Menstrual Cycle Length 25 day Menses Foll.Phase cycle Luteal Phase Menses 5 days 6 days 14 daye 28-day cycle Menses】Foll.Phase 世teal Phase愿enses 5 days 9 daye 14ay/物 35-day cycle Menses Foll.Phase Luteal Phase Menses 5 days 16 days 14 days ○vulation Breast Tenderness第十七章 生殖内分泌疾病