What Are The Uses And Side Effects Of Femilon Tablet?

hello doctor, iam using femilon for the first time as iam recently married. my first sheet is finished 4 days ago and iam waiting for

my period now. iam afraid iam not geting my period.

another doubt is that when to start using the next sheet . is it after getting my period and on the 5th day of it. or if i dont get my period use the next sheet on 28th day of this time.