I missed my period for 2 days then o had sever cramp and lower left abdominal pain my first beta hcg was 191 and my transvaginal ultrasound showed slightly bulky uterus 2 days after my beta hcg dropped down to 93 and still no period tell now what shall I do

Are you seeing a doctor for these tests? Seeing as we are unaware of your medical history, and not your doctor, you should probably do what they advise you to do.