Ask The Doctor > Pending > Period day changed while on birth control

Period day changed while on birth control

Patient: I am 19 and I have been on Aviane for 3 years now, taking it every night at 10pm. My last pill is on a Monday, and I used to get my period on Thursday. About 6 months ago my period started coming on Fridays. And last month it came on a Sunday, and I am now waiting for it to come this month. Why does this happen and should I be worried about its effectiveness?

 

 

Doctor:

 


 

 
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Dr. Jimmy Obaji M.D.

Dr. Jimmy Obaji M.D.

Dr. Jimmy Obaji completed his residency in Family Medicine at the University of Manitoba. He currently operates a walk-in-clinic in downtown Toronto.

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