A fertility clinic nurse is providing care to a couple who has been unable to conceive for 24 months. Which of the following data should the nurse assess?

Rationale: A. Recent blood transfusions may be relevant for infectious disease screening but are not directly related to fertility assessment. B. History of falls is unrelated to fertility issues. C. History of pneumonia does not impact fertility. D. Assessing the frequency of intercourse is essential in evaluating fertility, as inadequate timing or frequency can affect the chance of conception.