The nurse is caring for several pregnant clients at an obstetrics (OB) clinic. For which client should the nurse prioritize in requesting a glucose tolerance test?

An 18-year-old primigravida client with a BMI of 17.

A client who has a sister-in-law with Type 1 diabetes.

A client with a BMI of 29 who had a newborn weighing 8 lbs.

A 36-year-old client with a history of gestational diabetes.