HCG Levels

Kim
Started spotting last Tuesday totally normal then cramps later in the week. Went to doctors and tested hcg levels & ultrasound (nothing showed) Saturday was experiencing bad pain went to ER and ultrasound showed a cyst on left ovary.. possible chemical, ectopic, or just not shown yet... anyone experience this?! 
HCG wed: 1147
Friday: 1725
Saturday: 1383
*6 weeks