eee yeah i have just today started to get extreme back ache and also in my hips?? how strange!! i never normally get back ache during AF and all i can hear is my womb area rumbling and groaning... is this the same for you? also do you feel thirsty constantly?? i do.. but i cant drink so much when i try to have a drink... also i just noticed the blood / metal like taste starting in my mouth???? hmm strange!!!