A nurse has received a change-of-shift report for four clients. Which of the following clients should the nurse identify as being at the highest risk for a complication of pregnancy?

A 16-year-old client who was diagnosed with gestational diabetes.

A 28-year-old client who has a history of fetal demise 3 years ago.

A 37-year-old client who has a BMI over 30 and is experiencing elevated blood pressure.

A 30-year-old client who has controlled hypertension and who is pregnant with twins.