What Causes Bloating , Sore Breasts , Tiredness And Constipation?

Hi, may I answer your health queries right now ? Please type your query here... Hi , I am a mother of three children that suffers bloating, sore breats, tiredness, and constipation every month, for most of the month. My periods are regular, I am very fit, I get plenty of sleep, have a loving husband and enjoy my job. Please shed some light on what this could be....I have had enough!