the site says that i should take yasmin from the first day of my periods and my doc says i should take from the third day and the pharmacist says fron the 2nd day and so on.SO WHOSE ADVICE SHOULD I REALLY TAKE ? and secondly since im breast feeding my periods are iregular.if so, if i gt periods aftr 2 months n then i take yasmin again wil b affective fo the last two mnths ?