BMI greater than or equal to 35

Presented for ultrasound before 14 weeks at The University of Texas Professional Building, Memorial City, Bellaire, or Lyndon-Baines Johnson clinics

Primary language is English or Spanish

Consent to an extra transvaginal ultrasound if needed

Singleton gestation

No previous anomalies known before consent

Missed abortion (nonviable pregnancy)

Early Anatomy Scan for Evaluation of Obese Pregnant Women (EASE-O)