[Ultrasonic fetometry in the 1st trimester of pregnancy].
D005260:Female; D005323:Fetal Monitoring / Q000379:methods*; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography
Ul'trazvukovaia fetometriia v I trimestre beremennosti.