Wa'alaikumassalam sis! Demam dan sakit urat memang normal dalam 24-48 jam pertama sebab badan kita tengah adjust dengan implan, tapi kalau makin teruk atau tak hilang dalam few days, better check with your doctor ya just to be safe. A few of us mums dalam group chat dulu ada yang kena demam je for a day or two, then okay lah, paracetamol boleh tolong with the fever, and rest as much as you can lah especially if you're still nursing or handling the kids!