国外正规奶牛助产技术展示ppt

rinecontractionstopropelfetusthroughthebirthcanal.腹部与子宫一起收缩将胎儿推出产道抿讲粕狗援娶瓶癣猴眺谚铂馈遮辨俄峡蛇膨违串殉溯午架褥鬃藻系卧嫩覆国外正规奶牛助产技术展示ppt国外正规奶牛助产技术展示ppt(c)2005BoardofRegentsoftheUniversityofWisconsinSystem,doingbusinessastheDivisionofCooperativeExtensionoftheUniversityofWisconsin-Extension.Stage2Labor分娩阶段2Clustersof5to8contractionsincreaseinfrequencyascalvingapproaches当胎儿接近时每组5-8次的宫缩频率增加Contractionsare1to2secondsinduration)每次宫缩持续1-2秒Eachclusterofcontractionslasts1to1.5minutesseparatedby2to3minuterestperiods每一组宫缩持续1-1.5分钟,间隔2-3分钟休息时间Feetshouldappearafterabout7to8clustersofcontractions(~30minutes)蹄部应该在7-8组宫缩后出现(约30分钟)诅垢拾媚厕锈泽篱贡黄绰寻厉揖吹盼者铬佬朝捣屠卸绪淆伎巾曹支溢急厚国外正规奶牛助产技术展示ppt国外正规奶牛助产技术展示ppt(c)2005BoardofRegentsoftheUniversityofWisconsinSystem,doingbusinessastheDivisionofCooperativeExtensionoftheUniversityofWisconsin-Extension.