Assessment of a 16-year-old nulligravid client who visits the clinic and asks for information on contraceptives reveals a menstrual cycle of 28 days. The nurse formulates a nursing diagnosis of Deficient knowledge related to ovulation and fertility management. Which of the following would be important to include in the teaching plan for the client?

D Most women can tell they have ovulated because of severe pain and thick, scant cervical mucus. A The ovum survives for 96 hours after ovulation, making conception possible during this time. B The basal body temperature falls at least 0.2°F after ovulation has occurred. C Ovulation usually occurs on day 14, plus or minus 2 days, before the onset of the next menstrual cycle.