Figure 2From: Impact of chemotherapy-induced amenorrhea in breast cancer patients: the evaluation of ovarian function by menstrual history and hormonal levelsClinical cessation of menstrual bleeding is an event occurring earlier than attained serum postmenopausal hormonal levels. Rates of permanent amenorrhea determined by clinical history and serum hormonal levels in (A) general patients, (B) patients aged 46 to 49 years, and (C) patients aged ≥50 years old.Back to article page