I hear this often. When I'm PMSing, I'm quite sensitive to sounds. I few of my friends say the same. Your body has a way of cleansing itself out and when it's full of toxins, it dumps them via transportation of the blood, urine and sweat. For many women, it is done so through her menstrual cycle - so I can understand why your sensory profile is "acting out".
My son used to wet the bed a lot and had chronic nose bleeds. Now that we've been able to eliminate a lot of his toxic "issues", he no longer wets the bed and I can't remember the last time he had a nose bleed. In fact, when he's HAD a nose bleed, he's eaten something full of chemicals.