Problem: A 42-year-old female patient presents with difficulty conceiving despite following ovulation indicators and timing intercourse accordingly. The patient denies pain and fatigue and reports no changes in bowel movements. Based on the findings, the nurse practitioner suspects "false-positive" ovulation results and rules out which disorder before referring the patient to a fertility specialist for further evaluation? Need Professional Help? A. Polycystic ovarian syndrome (PCOS) B. Ovarian insufficiency C. Ovarian cancer D. Endometriosis