hi i have been on the implanon for 1 year and a few months and have not had my period since, but lately i have been having spotting and its usually a light pink or brown or its red but a light color and it ocmes on and off, then my breasts are really sore and i hve low blood sugar and pretty mich everything a prengnat woman would have, is it a possibility that i am pregnant and if so when should i tak emy test? it has been two weeks