“…Based on two prior studies [15,16], we expected that fatigue and depression would be higher in the premenstrual syndrome or premenstrual dysphoric disorder (PMS) sample than in the CS, but the prediction is only for the week preceding the onset of menses. For the hernia surgery group, studies have (not surprisingly) shown that pain intensity is high for the days after surgery [17,18]; therefore, we expected greater pain intensity and pain interference in the postsurgery week compared with the CS. Finally, for the BC sample, we predicted that fatigue would be higher than fatigue in the CS the week after chemotherapy [19].…”