<prompt> A woman complains of right-sided lower abdominal pain and mild bleeding per vagina for one day after a period of amenorrhoea of 6 weeks. Her general condition is satisfactory. There is tenderness in the right iliac fossa. The urine hCG test is positive. Transvaginal ultrasound scan does not reveal an adnexal mass or an intrauterine pregnancy.What is the next step in the management?Commence treatment with methotrexatePerform a laparoscopic examinationPerform two serum beta hCG tests 48 hours apartRepeat the ultrasound scan after 7 days  <response>: Ans. is c, i.e. Perform two serum bhCG tests 48 hours apartNow in this question:Patient has Rt sided abdominal pain tenderness Amenorrhea of 6 weeks Bleeding UPT is positive TVS is unconfirmatorySo most probably diagnosis is ectopic but DD can be:i Abortionii Early intrauterine pregnancy. 