why would my period start 6 days early?”
Some women develop breakthrough bleeding after months or years of birth control pill use. The pills’ hormones can cause the uterine lining to get very thin over time, so sometimes it may not have the necessary structure to stay in place, causing spotting or an early period. This is not dangerous, but can be bothersome. If this annoys you, or if the bleeding is heavy or persists throughout the month, report your symptoms to your practitioner.: http://www.drspock.com/article/0,1510,5367,00.html Age, weight, thyroid status, prolactin level, insulin resistance, stress, hypothalamic dysfunction, exercise and dietary changes all can result in disturbances in the normal menstrual cycle.: http://yourtotalhealth.ivillage.com/why-my-period-early.html Is everything okay if you have taken your birth control pills correctly and sti
