A woman attends antenatal clinic with complaint mild pain in lower abdomen on left side, her periods are regular and UPT was positive at home. A TVS was done and uterine cavity is empty, and no adnexal mass is seen. Her serum beta HCG is 700 IU/L. what is the next step?
Give single dose of methotrexate Perform laparoscopy Perform serum beta HCG after 48 hr Perform serum Beta HCG after 7 days