You're having a break through bleeding which is not a period One doesn't get periods while taking ovral L Stop the medicine asap Wait for few days There will not be heavy bleeding due to withdrawal of hormones present in ovral I You will get a period after few days Nobody can predict when Wait and watch and note down the date No medicines with hormones after periods Maybe you get a regular normal cycle after a month of the new cycle Hormones in ovral do make periods erratic Take care and get a ultrasound done while you are dry