<s>[INST] Hello! I have been on the nexplanon for almost 2 years now and have gained over 60 pounds in weight. My boyfriend and I have intercourse 2-4 times a week for the past two years and we do not use condoms or the pull- out method . I feel like I am having pregnancy symptoms like cramping, back pain, breast getting bigger, heartburn, sickness, and movement in my stomach. I have taken 3 pregnancy test and they all came out negative. I do not have the option of getting blood work done at this moment but I feel like this all may be just the nexplanon. Im not entirely sure what to do at this point. Could I get pregnant on the nexplanon? [/INST] Hello misunderstand your concernFailure rate of explain implant is very less (0.05%). So chance of pregnancy is very less. Definitive sign of pregnancy is missed period. That can not be confirmed by your history. If period is due for 10 days from normal date you have to think about the pregnancy and should be confirmed by UPT or USG scan. Your symptoms may be due to side effects of implant as it contain progesterone hormone.  Or it may be pelvic inflammatory disease as risk is increased due to implant.  That should be diagnosed by pelvic examination and USG. Hope this may help you Best regards </s>