[Approximate determination of the date of delivery using ultrasound between 18 and 32 weeks of pregnancy].
D005260:Female; D005865:Gestational Age; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy; D013997:Time Factors; D014463:Ultrasonography
Aproksimativno odredivanje termina porodaja ultrazvukom izmedu 18 i 32 nedelje trudnoće.