"the first six months of using gildess were unremarkable.  it was effective in preventing pregnancy, did not worsen nor produce acne, and i did not experience any remarkable weight gain.  it was like any other birth control.  after my first six months, however, i experienced spotting, heavier bleeding, and random periods throughout the month.  in one month, i experienced two periods. for the past few months, my periods started after two weeks of active pills."