"i have been on trinessa for about 10 months. i will say that as far as birth control goes it&#039;s pretty effective. my periods were basically 3ish days long and were super light and most importantly i never got pregnant!! that being said i was extremely moody and went through a pretty bad depression. after reading some reviews i now realize that there are plenty of women who have had similar experiences. i&#039;ve been off of trinessa for about a month now and my mood has had a drastic improvement. now on to looking for a new birth control."