How long after you start taking birth control is it effective?

30 days. Use condoms in the mean time.How long after you start taking birth control is it effective?
my doctor reckoned it was about 7 days but i suppose it would depend on the medication. however i would strongly recomend asking your doctor or pharmacy about it.How long after you start taking birth control is it effective?
30 days
whomever gives you the birth control sell it takes 30 days to get in your bloodstream.