Ulkumen, Burcu Artunc The effect of parity on first trimester uterine artery Doppler waveforms in low-risk singleton pregnancies. [electronic resource] - Ginekologia polska Dec 2014 - 929-32 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0017-0011 Standard No.: 10.17772/gp/1884 doi Subjects--Topical Terms: AdultBlood Flow Velocity--physiologyFemaleGestational AgeHumansMaternal AgeParity--physiologyPlacenta--blood supplyPregnancy--physiologyPregnancy Trimester, First--physiologyUltrasonography, Doppler, Color--methodsUterine Artery--diagnostic imagingYoung Adult