I've been on the nexaplon implant since march2014 and the depo shots before that and I've never had a bad reaction before. i really think im might be pregnant my boobs are swollen my nipples are sore my lower stomach is cramping and Im not hungry at all the smell of any food makes me nauseous I've been like this 3 weeks I'm 18 190 pounds and I'm just wondering if its possible please help