You probably are suffering from the side effects of Implanon
, which is a progeterin. It is known to cause irregualar bleeding. Regarding feeling nauseous, it may be related to the side effect as well. You may eat non-fatty/non-spicy meals atleast 2 hours before going to bed. If you do go to be earlier, kindly raise the head end of your bed up by 15 cm for atleast 2 hours after the meal. Regarding feeling fatigued, it may be a symptoms of Anaemia
. Get your Haemoglobin
and Blood count taken and visit the Doctor for adequate treatment. Also get your Blood sugar levels tested.