The nurse in a prenatal clinic is reviewing the files of four patients scheduled for visits.Which patient does the nurse identify as having the highest-risk pregnancy?

The patient who is 37 years of age, obese, and experiencing pregnancy-induced hypertension.

The patient with preexisting hypertension who is currently pregnant with twins.

The patient who is 16 years of age just diagnosed with gestational diabetes.

The patient who is 28 years old and delivered a premature neonate 3 years prior.