>Bony pelvis √4.The pelvis minor: the pelvis inlet: promontory iliopectineal line. crest of the pubis symphysis diameter: 骨盆(pelvis） the anteroposterior 骨盆是胎儿娩出的通道。其大小、形状对 diameter 分娩有直接影响 the transverse diameter the diagonal diameter
➢Bony pelvis ✓ 4.The pelvis minor: the pelvis inlet: ( promontory iliopectineal line crest of the pubis symphysis ) diameter: the anteroposterior diameter the transverse diameter the diagonal diameter
>Bony pelvis √4.The pelvis minor: the pelvis outlet: arcuate ligament of the pubis ischiopubic arch ischial tuberosity sacrotuberous ligament -coccyx) 2、骨盆的分界 diameter: the anteroposterior diameter the transverse diameter
➢Bony pelvis ✓ 4.The pelvis minor: the pelvis outlet: ( arcuate ligament of the pubis ischiopubic arch ischial tuberosity sacrotuberous ligament coccyx ) diameter: the anteroposterior diameter the transverse diameter
>Bony pelvis 5.Types of pelvis: The gynecoid type a round,slightly ovoid inlet. adequate sacrosciatic notch.wide interspinous diameters(10cm). 52%-58.9% The platypelloid type a distinct oval inlet.very wide retropubic angle.sacrosciatic notch is narrow.23.2%-29%
5. Types of pelvis: The gynecoid type a round, slightly ovoid inlet. adequate sacrosciatic notch. wide interspinous diameters(≥10cm). 52%-58.9% The platypelloid type a distinct oval inlet. very wide retropubic angle. sacrosciatic notch is narrow. 23.2%-29% ➢Bony pelvis
>Bony pelvis 5.Types of pelvis: The anthropoid type long,narrow,oval inlet.narrow anterior and posterior segment.wide sacrosciatic notch.long narrow sacrum.Straight side walls is the characteristic. The android type wedge-shaped inlet,a narrow forepelvis, flat posterior segment,narrow sacrosciatic notch,with the sacrum inclining forward, the side walls converae
5. Types of pelvis: The anthropoid type long, narrow, oval inlet. narrow anterior and posterior segment. wide sacrosciatic notch. long , narrow sacrum. Straight side walls is the characteristic. The android type wedge-shaped inlet, a narrow forepelvis, flat posterior segment, narrow sacrosciatic notch, with the sacrum inclining forward, the side walls converge. ➢Bony pelvis
>Bony pelvis 5.Types of pelvis: 男 类人推型 扁平型
➢Bony pelvis 5. Types of pelvis: