Yaz-Birth-Control

Just started Yaz birth control. How long does it normally take to see breast growth as a side effect?

I'm on my second week of Yaz, my breasts feel a tiny bit fuller and a little sore. I was wondering, for those of you who've experienced breast growth as a side effect of Yaz, how long did it take? Will the new size last for as long as I'm on the pill?

Public Comments

  1. Within 2-3 weeks I noticed it!
  2. You might see some temporary response to the hormones within the next week to a month. However, don't get used to it. In the vast majority of cases, the breasts will reduce to their normal pre-pill size (which is often not more than 1/2 cup size) within a few months. This is because your body's figured out your not pregnant after all, and so stops all the things it would do to make you ready for a baby. The pill works BTW, by tricking your body into thinking it's pregnant...hence the nausea, sore breasts, moodiness, etc.
  3. honestly, it took me like a week at the most. i just looked in the mirror & it was deffinetly noticable. most of the time it will make your breasts sore. mine hurt pretty badly for acouple of days, and they are still a little tender.
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