"i&#039;ve been on trinessa for 3 years now and i couldn&#039;t be happier. i always start my period on a tues or wed and only last till sunday and very light. it is also very inexpensive. i pay $4/month for a pack. when i first started the only side effect i had was a little bit of weight gain (3-4lbs). it definitely helped clear up my skin but i do get the occasional zit here and there. i still have a little bit of cramping before my period but doctor says that is normal and no pill can really prevent that. just the natural part of the body. i haven&#039;t had any changes with side effects over the years and it has definitely done its job of preventing pregnancy. i would highly recommend it to others!"