You are suffering from Crohn's disease which is basically an inflammatory disease of the GI tract. So the result is more of a pain and mal absorption. Treatment is according the severity of the disease. Frequent low quantity food is advised. For this you may have consulted a dietitian for planning your diet.
You are already have Implanon
birth control. Then why pregnancy
test.Your fingernails are healthy - so you are not Anemic which is the commonest symptom of crohns disease
due to mal absorption vitamin B 12 and folic acid
is indicated only when the symptoms are severe.
With a balanced low diet, as advised by a dietitian there will not be any problem
You can continue the remicade