Ultrasound in obstetrics and gynaecology. Recent developments.
D001835:Body Weight; D000013:Congenital Abnormalities / Q000175:diagnosis; D005260:Female; D005317:Fetal Growth Retardation / Q000175:diagnosis; D005333:Fetus / Q000502:physiology; D005865:Gestational Age; D006801:Humans; D008403:Mass Screening; D009436:Neural Tube Defects / Q000175:diagnosis; D006080:Ovarian Follicle / Q000254:growth & development; D010920:Placenta; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D014427:Twins; D014463:Ultrasonography