R irregular periods an issue of concern fr future pregnancy n related problems?will consumption of contraceptive pill lead to future infertility ?

Irregular menses: Irregular menses may be a sign of ovulation problems. Oral contraceptives have not been shown to increase infertility rates. See your gyn for help in getting pregnant.

Yes and no : Irregular bleeding may be a cause of infertility as that can be a sign of anovulation and one needs to ovulate to get pregnant. Oral contraceptives do not lead to infertility, that's a myth.