"i got nexplanon february of 2015 and it is now september. i had my period for about a month and a half and it was irregular after that but now my period is regular again. it was a pain having to deal with that but i have not gained any weight and i suggest the implant to all of my friends. i have unprotected sex weekly and all has been good!! also, i only have to use one light tampon a day for my period"