孕畜流产的原因和治疗

The Chinese Livestock and Poultry Breeding(2014)

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Abstract
流产是指孕畜未到预产时间而产出无生活能力的胎儿或死胎,如果产出有生活能力的胎儿则叫早产.由于妊娠是精子和卵子在输精管内结合成受精卵,然后受精卵在子宫内着床、附植、形成胎盘,由母体通过胎盘供给营养使胚胎在子宫内生长发育,当胎儿发育成熟时通过产道将胎儿产出.所以胎儿在母体内正常生长发育与胎儿、母体及胎盘密切相关,当胎儿、母体发生器质性或功能性异常时可引起妊娠生理紊乱,或当胎盘疾病时母子之间正常联系就会受到破坏,就会引起妊娠中断而发生流产.
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