<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 29-year-old woman presents to a medical office complaining of fatigue, nausea, and vomiting for 1 week. Recently, the smell of certain foods makes her nauseous. Her symptoms are more pronounced in the mornings. The emesis is clear-to-yellow without blood. She has had no recent travel out of the country. The medical history is significant for peptic ulcer, for which she takes pantoprazole. The blood pressure is 10060 mm Hg, the pulse is 70min, and the respiratory rate is 12min. The physical examination reveals pale mucosa and conjunctiva, and bilateral breast tenderness. The LMP was 9 weeks ago. What is the most appropriate next step in the management of this patient?? A: Abdominal CT with contrast, B: Beta-HCG levels and a transvaginal ultrasound, C: Beta-HCG levels and a transabdominal ultrasound, D: Beta-HCG levels and a pelvic CT, E: Abdominal x-ray,  <response>: This is a patient presenting with symptoms of nausea, vomiting, fatigue, and breast tenderness that are worse in the morning. She also has missed her last menstrual period 9 weeks ago. The key findings here are the nauseavomiting that is worse in the mornings along with the missed menstrual period, which raise suspicion for pregnancy. The bilateral breast tenderness also supports this. The next step would be to confirm pregnancy by checking beta-HCG levels and performing an ultrasound. A transvaginal ultrasound would give the best images early in pregnancy.B: Beta-HCG levels and a transvaginal ultrasound 