No, Kurvelo birth control will not prevent your intervals. You can find 28 tablets on Every packet and you should have a bleed on the final seven days of every pack (aka placebo week). If you need to skip your period You may use Kurvelo for it. Find out more https://marlissa44432.tinyblogging.com/an-unbiased-view-of-marlissa-side-effects-74075099