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A 32-Year-Old Primigravida at 16 Weeks Gestation Comes to the Office

question 309

Multiple Choice

A 32-year-old primigravida at 16 weeks gestation comes to the office due to urinary frequency and increased thirst. Although she limits fluids before bed, she still urinates 6-8 times a night. The patient previously had intermittent urinary frequency, but symptoms have worsened since she became pregnant. Family history is significant for type 2 diabetes mellitus in her mother and father. Vital signs are within normal limits. Examination shows no abnormalities. Laboratory results are as follows: A 24-hour urine collection shows a urine output of 5.5 L after an intake of 2 L. What is the most likely cause of this patient's urinary frequency?

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Definitions:

Class Width

The difference between the upper and lower boundaries of any class (or category) in a frequency distribution.

Frequencies

A rephrased definition: The rate or number of times a particular data value or event occurs within a specific data set or sample.

Data Set

A collection of related data points or information, organized in a structured manner, used for analysis or computation.

Classes

Categories or groups into which data or objects are organized based on shared characteristics or properties.