I just started birth loestrine 24 birth cntrl missed a day n made it up 6 days later I'm bleedng n cramping. My cycle was 2wks ago?

Missed pill. While you have missed one pill, you should still be protected from pregnancy. However, if this was your first month on the pill and you weren't using a back up method, you may become pregnant. It is normal in the first three months of starting a birth control pill to have irregular bleeding. If a pregnancy test is negative, i would recommend you continue with your pills and monitor your bleeding.