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In the PMDD group (n = 18), total PMDD symptoms, measured by the DRSP, were significantly higher during the luteal phase than during the follicular phase, but also higher than in controls (n = 18) during the follicular phase and during the luteal phase, *p < 0.05, **p < 0.01, ***p < 0.001, error bars indicate ± 1 SEM.
