I had the same issues, but I was only on YAZ for six months. My hair was falling out in clumps, I had no energy, moody, irritable, gained weight instead of losing, no sexual drive, and vaginal fissures. It was horrible. I stopped taking YAZ back in February of this year and have done a complete turn around. I feel "normal" again. I am currently pregnant, but before my husband and I decided to try again for a little girl I did notice my periods were very off and lasted about three days as well plus not to sound gross, but the color was really more of a brownish color rather than bright red as they have been all my life. Although my periods were not back to normal my husband and I were still able to conceive. I don't believe you will have a problem, but I would discuss this with your doctor at your next visit.
I wish you the best.
mc381
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