A 22-year-old girl complains of irritability, tearfulness, headache, nausea, sometimes vomiting, palpitations, swelling of the mammary glands, swelling of the arms and legs, flatulence. Complaints appear 6-10 days before menstruation and disappear with the onset of menstruation. Bimanually installed: uterus and appendages without changes. What is the probable diagnosis?