While having the nexplanon still impalnted, I started having the whole morning sickness, 3 weeks later my breast became tender and fatigue set in, this now week 4 I'm experiencing dark bleeding, pain on my lower right abdomen, back pain, possibly UTI, and tiredness. I've had the same partner, very good relationship, for the past year and a half. What could all this lead to WHILE having the nexplanon birth control that is soon to be removed?