"i recently got the nexplanon last month and its ok, i&#039;ve been spotting for the last 2 weeks &amp; now i have severe stomach pains.....i&#039;m still going to give it a shot at east six month, it has caused me to not have an appetite at all not sure if that&#039;s normal but since i&#039;m only one month in i&#039;ll still consider this for of birth control. it&#039;s the stomach pains that are driving me crazy."