Anyone whos experience this. I have my last period since feb. 6-10. But i expected my mens by this week. i dont know why it happends. we use protection since our last sex on january. My past jan. Period is january 6-10. Then followed by feb.. remember.. we dont have sex history of february. WHATS HAPPENING... ??? I see some cottage cheese to waterythis week. Iam always stress and lack of sleep.