<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 14-year-old girl comes to the physician because of excessive flow and duration of her menses. Since menarche a year ago, menses have occurred at irregular intervals and lasted 89 days. Her last menstrual period was 5 weeks ago with passage of clots. She has no family or personal history of serious illness and takes no medications. She is at the 50th percentile for height and 20th percentile for weight. Physical examination shows no abnormalities. A urine pregnancy test is negative. Which of the following is the most likely cause of this patients symptoms?? A: Embryonal rhabdomyosarcoma, B: Endometrial polyp, C: Inadequate gonadotropin production, D: Defective von Willebrand factor, E: Excessive androgen production,  <response>: This is a clinical case about a 14-year-old girl with irregular and prolonged menstrual periods. Based on the information provided, the key findings are:- Irregular and prolonged menstrual periods since menarche a year ago- Last period was 5 weeks ago with passage of clots - No significant medical history- Normal growth parameters 50th percentile height, 20th percentile weight- Normal physical exam- Negative pregnancy testThe differential diagnosis includes conditions that can cause irregular and excessive menstrual bleeding in adolescents, such as problems with ovulation, coagulation defects, hormone imbalances, uterine structural abnormalities, and neoplasms. Based on the patients age, recent onset at menarche, lack of associated symptoms, and normal exam, the most likely cause is inadequate gonadotropin production leading to anovulatory cycles. The other answer choices can be ruled out based on the clinical presentation.C: Inadequate gonadotropin production 