American Journal of Obstetrics and Gynecology · 1984 · 48 citations · 3 references
MedicineGynecologyObstetricsEmbryologyObstetric UltrasoundUltrasonographyFetal BiometryFetal ImagingGestational Age AssessmentGestational Age EstimationObstetric UltrasonographyPrenatal ImagingFetal Anatomy EvaluationPrenatal Sex DeterminationSonographic Gestational Age Estimation
3
Fetal sex determination by ultrasound.