"my husband and i have been using the natural family planning method for years as birth control gives me horrible migraines, we have 4 children and we were not planning on anymore. ( we try to avoid intercourse during the possibility of ovulation. in the heat of the moment we ended up having intercourse the day i was ovulating. my cycles are 28 days, very easy to predict when i&#039;m ovulating. i took the cvs brand aftera, right away, like an hour later, only because they didn&#039;t have plan b. aftera does not work, i am now 7 weeks pregnant. i&#039;m not overweight, i weigh 135lbs. i&#039;ve taken plan b before and it worked. don&#039;t buy aftera, spend the extra money for plan b or go to another store if they don&#039;t have it."