"i have been on birth control since i was 10 because of chronic migraines. when i had it put in it stung for like 10 min then nothing. i have my period once a month from 3-5 days. very light. no weight gain and it has helped me lose weight. i am not sleepy and i do not have my migraines anymore. yay no hospital visits. it cost as much as regular pills for 3 years. the only difference is that you do not have to remember to take a pill daily. everyone&#039;s body reacts different and mine likes the nexplanon."