Thanks for your query.
For the first month of pill use, it is common to experience side effects.
is a common side effect, while cramps are not so common, however, if you are overdue and experiencing cramps, you might be about to have your period.
Also, for the benefits like reduced pain during periods
to appear, it might take a few months.
Please consult your health care provider to rule out pregnancy
and for appropriate guidance after a check up.