A 27-year-old at 26 weeks' gestation with no prior diabetes screening presents for prenatal care. Which screening approach best aligns with current US guidance?ASingle 75 g 2-hour OGTT at 24-28 weeks; diagnose if >=1 value abnormal (IADPSG)BTwo-step: 50 g 1-hour screen at 24-28 weeks followed, if positive, by 100 g 3-hour OGTT; diagnose if >=2 values abnormalCRandom plasma glucose at any time during pregnancy; diagnose if >=140 mg/dLDHbA1c only at 24-28 weeks; diagnose if >=6.0%EScreen only if BMI >=30 kg/m^2 or age >=35 yearsCheck my answer