Do women with PMS or menstrual migraine respond differently to stress?

We measured reactivity to a stress paradigm during the premenstrual period in 19 women affected by Menstrually Related Disorders (MRD) and in 11 normal controls. Eight had premenstrual syndrome diagnosed by the Menstrual Distress Questionnaire and 11 suffered menstrual migraine, diagnosed according to International Headache Society criteria. Subjects were observed during two menstrual cycles and submitted to a psychocognitive test (Stroop Color Word) during the luteal phase. In both groups the stimulation by Stroop C-W was present for systolic blood pressure (SBP) (F = 18.14, p = 0.000), diastolic blood pressure (DBP) (F = 9.56, p = 0.000), and heart rate (F = 12.80, p = 0.000). Moreover, an interaction of response by group was present for DBP (2.58, p = 0.04); DBP values were higher in MRD subjects. Also baseline DBP values were higher in MRD with respect to controls. Area under the curve (AUC) subtracted from baseline for the SBP, DBP and heart rate did not differ between groups. In conclusion, MRD subjects facing a cognitive stress had normal cardiovascular response. However, patients had increased arousal of cardiovascular measures before and after testing. The significant differences during stress of testing were dissociated from those of experimental stress stimulation. MRD subjects may have less ability to cope with novelty than healthy volunteers.

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