While it might sound like just another complicated medical term, understanding what BPD means in pregnancy can actually be incredibly helpful and empowering. Simply put, biparietal diameter refers to a measurement of your baby's head. The normal BPD in pregnancy can vary from woman to woman and...
means of real-time ultrasound 19829.Hadlock F P;Deter R L;Harrist R B Estimating fetal age:computer-assisted analysis of multiplefetal growth parameters 198410.Selbing A;Kjessler B Conceptual dating by ultrasonic measurement of the fetal biparietal diameterin early pregnancy 198511.Persson P H;...
1.2.2 BPD法 采用Philips IU22 超声诊断仪,使用线阵式探头,频率为3.5 MHz,检测胎儿近端颅盖骨外缘到远端颅盖骨内缘之间的距离,即双顶径长,通过腾程孕期胎儿唐氏征产前筛查软件内建公式计算孕妇孕龄,该公式来源于《Ultrasonography in Obstetrics and Gynecology 》1988第2版孕周计算对照表〔3〕。所选对象皆由同一...
Kjessler B.Conceptual dating by ultras onic meas urement of the fetal biparietal diam eter in early pregnancy[ J ] .Acta Obstet Gyneeol Scand ,1985 ,6 4 :593 -5 97 . P ersson P H ,W el dner B M .R eliab ility of ultrasound fetometry in estimating gestational age in the second ...