"it does what it is supposed to do - i didn&#039;t get pregnant. however, i took it two months ago (sept 21) and i&#039;m still seeing side effects. i&#039;ve always had very mild periods with pms symptoms starting about a week prior. now my periods are crazy heavy and the cramping (which is much worse and more painful), feeling sick, tiredness, and breast tenderness starts two weeks before my period. i hope eventually my body will get back to normal but so far i&#039;ve seen nothing but bad side effects from this medicine. keep in mind, i&#039;m 5&#039;4 and i weigh 120 lbs and being small may have something to do with it. also, i usually don&#039;t take medication and have never been on birth control because of bad side effects."