It's very strange to have menstrual irregularities while taking oral contraceptive pills
. You may have missed some pills or you may be taking the pills in a wrong way. Otherwise you may be pregnant.
I think you should have a pregnancy
test at first.
After excluding pregnancy and making sure that you are taking your pills in the right way, we may think of other possibilities like stress
and changing the environment.
Hope this piece of information was useful to you and good luck.
Dr. Ahmed Bahaa.