Fig. 6: Effect of progesterone treatment on the ratio of luteal (L) to follicular (F) values of mean urine volume, osmolality, sodium, potassium, cyclic AMP, and cyclic GMP. Urine was collected at the end (120 minutes) of an intravenous infusion of 3% saline in 6 patients with PMS. O (white) = no treatment, P (black) = progesterone cycle, P/O (grey) = ratio of untreated/treated values.
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