Problem: A 20-year-old nulliparous female college student sees the nurse because she has missed her last two menstrual periods. She reports she has not had sexual intercourse in one month. The nurse requests a pregnancy test, which is negative. Based on this client's history, which assessment is most important for the nurse to obtain? Need Assignment Help? A. Vaginal discharge, presence of genital warts, abdominal tenderness. B. Urinary frequency, unsteady gait, dental enamel erosion. C. Breast tenderness, tremors, high blood pressure. D. Body weight, hirsutism, thyroid enlargement.