Research Article

Premenstrual Dysphoria and Luteal Stress in Dominant-Social-Status Female Macaques

Figure 1

Effect of isolation-induced stress during the luteal phase on the dysphoric factor score of young dominant-social-status female rhesus monkeys (Macaca mulatta). The entire menstrual cycle is about 28 days. The first day of menstrual bleeding was defined as the beginning of the menstrual cycle. During days 25–28 is is regarded as the premenstrual phase, and During days 14–19 is regarded as follicular phase, respectively. PP represents the premenstrual phase of the first menstrual cycle since the beginning of the experiment. FP (2) represents the follicular phase of the second menstrual cycle since the beginning of the experiment, and so forth. Values represent mean ± SE (bars) of results for all ten monkeys (##the dysphoric factor score in the model group monkeys versus that factor in the control group monkeys ; **the dysphoric factor score of in the JQP group monkeys versus that factor in the model group monkeys).
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