What was the patient's pertinent negative symptom related to her abdominal pain?

The pertinent negative symptom related to the patient's abdominal pain is the absence of fever. In a clinical context, fever is often associated with infections or inflammatory conditions, such as appendicitis, diverticulitis, or pancreatitis. A patient experiencing abdominal pain without fever may indicate a non-infectious cause, such as a functional gastrointestinal issue or a mechanical obstruction that has not led to an inflammatory response.

Understanding this aspect is crucial in narrowing down the differential diagnoses and guiding further evaluation and management. The presence or absence of fever can significantly change the approach to a patient's care, making it an important factor in assessing their condition. In this scenario, the absence of fever suggests that the abdominal pain may not be due to an acute infectious process, focusing attention on other potential causes.