![\"什么时候终止妊娠进行引产_终止妊娠的最佳时间\"](\"http://01luntan.com/ly_img/uimgs/1498811282448.jpg\" "\\"什么时候终止妊娠进行引产_终止妊娠的最佳时间\\"")
虽然我们还不知什么因素直接导致产兆出现，但有时为了胎儿的安全，需要采取一定的措施催促其出来，那么什么时候终止妊娠进行引产，终止妊娠的最佳时间什么时候呢
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预产期是根据末次月经，结合月经周期以及孕期超声估算的妊娠满40周的日子， 37周到42周之间出生的婴儿均属足月儿。早于37周的算早产儿，晚于42周的叫过期儿。图标为过期妊娠是胎儿窘迫、胎粪吸入、过熟综合征、新生儿窒息、围产儿死亡等的重要原因，产科医生要千方百计地杜绝这种情况发生，因此对某些迟迟没有动静的足月儿，采取引产方式催促其出来。
\n预产期有时不能准确地反映妊娠的生物年龄，而羊水减少和胎盘老化都是提示妊娠到期或过期的表现。胎盘老化后会影响胎儿的供血和供氧，胎儿缺氧会出现肛门括约肌扩张，进而出现胎粪污染羊水。如果羊水亦少，胎儿对宫缩的耐受力则进一步减弱，容易发生宫内窘迫。因此，即使未明显超过甚至还没到预产期，一旦发现羊水少或胎盘老化就需要提前引产。
\n![\"什么时候终止妊娠进行引产_终止妊娠的最佳时间\"](\"http://01luntan.com/ly_img/uimgs/1498811224169.png\" "\\"什么时候终止妊娠进行引产_终止妊娠的最佳时间\\"")
在无任何合并症的情况下，孕周超过预产期一周左右仍无临产征象，也需要引产。首先进行阴道检查，评定宫颈的条件。如果宫颈尚未成熟（即宫颈管未展平）可局部放置缓释前列腺素的栓剂或小水囊促其成熟，有的人因此直接进入临产状态，有的人则需要进一步催产素点滴。只要阴道分娩的意志坚决，而胎儿对催产素诱导的宫缩耐受良好，催产素可持续静脉点滴2-3天，如果仍不成功，还可人工破膜后继续点滴。
\n另外，合并妊娠期糖尿病，胎儿宫内生长受限，妊娠期高血压，甲状腺功能异常等内科合并症的孕妇更不宜超过预产期分娩，必要的情况下可能还需要考虑行剖宫产终止妊娠。
\n什么时候终止妊娠进行引产，终止妊娠的最佳时间的关键知识点：
\n1、预产期可能与妊娠体内的“生物钟”有所偏差，终止妊娠取决于胎盘、羊水和胎儿的生理功能性指标，不能刻意追求“顺其自然”。
\n2、妊娠合并糖尿病、高血压、甲亢等，原则上应在预产期前终止妊娠。
\n3、羊水太少时，进行剖宫产可能会更安全。
\n","barId":"2588","topicTypeId":null,"topicThemeId":"1023","readLevel":0,"files":"","clickNoLikeCount":0,"clickLikeCount":0,"clickCount":0,"score":0,"partCount":0,"replayCount":0,"publishStatus":0,"publishTime":0,"isCream":null,"canReply":0,"shareUrl":null,"foodCouponVal":0,"emailNotice":0,"permission":0,"zlyShare":0,"status":0,"sort":0,"highlight":0,"highlightEffectTime":0,"digest":0,"digestEffectTime":0,"top":0,"topEffectTime":0,"closed":0,"stamp":0,"icon":0,"bgcolor":null,"fontcolor":null,"favtimes":0,"isAdopt":0,"adoptId":null,"sortDate":0,"metaSearch":null,"rn":3},{"id":"5325","isDel":0,"createAt":0,"createBy":null,"createName":null,"updateAt":0,"updateBy":null,"updateName":null,"userId":null,"title":"子宫破裂的原因_子宫内膜破裂怎么办","content":"
子宫破裂是产科最严重的并发症之一，其发生率是判断一个地区产科质量的标准之一。子宫破裂的原因有哪些，子宫内膜破裂怎么办？
\n![\"子宫破裂的原因_子宫内膜破裂怎么办\"](\"http://01luntan.com/ly_img/uimgs/1498837704438.jpg\" "\\"子宫破裂的原因_子宫内膜破裂怎么办\\"")
子宫自发破裂的发生率为0.03％～0.08％，但有剖宫产史的患者为0.3％～1.7％。既往剖宫产的切口是发生子宫破裂最常见的部位和原因，其他常见病因包括既往刮宫或穿孔史，子宫手术史（如肌瘤剔除术），催产素应用不当，子宫先天畸形，滋养细胞肿瘤和子宫肌腺症等。
\n13％的子宫破裂发生于院外。子宫破裂分为完全性和不完全性。典型的完全破裂表现包括阴道出血、疼痛、宫缩消失，胎儿轮廓触手可及，母体出现休克征象和血尿等。而子宫肌层全部或部分断裂，但浆膜面和胎膜未破，宫腔与腹腔未相通，胎心尚好，为不完全性子宫破裂，在肌层断裂中可触及压痛，需尽早行剖宫产手术。
\n子宫破裂的原因有哪些，子宫内膜破裂怎么办的知识关键点：
\n1、子宫瘢痕的患者，应提前入院待产，建议剖宫产终止妊娠
\n2、在院外出现宫缩或提前破水，应及时就诊并提醒接诊医生自己有过子宫手术史。
\n3、有剖宫产史的孕妇可以尝试阴道分娩，但应距离上次手术分娩后2年再怀孕。
\n","barId":"2588","topicTypeId":null,"topicThemeId":"1016","readLevel":0,"files":"","clickNoLikeCount":0,"clickLikeCount":0,"clickCount":0,"score":0,"partCount":0,"replayCount":0,"publishStatus":0,"publishTime":0,"isCream":null,"canReply":0,"shareUrl":null,"foodCouponVal":0,"emailNotice":0,"permission":0,"zlyShare":0,"status":0,"sort":0,"highlight":0,"highlightEffectTime":0,"digest":0,"digestEffectTime":0,"top":0,"topEffectTime":0,"closed":0,"stamp":0,"icon":0,"bgcolor":null,"fontcolor":null,"favtimes":0,"isAdopt":0,"adoptId":null,"sortDate":0,"metaSearch":null,"rn":6},{"id":"5403","isDel":0,"createAt":0,"createBy":null,"createName":null,"updateAt":0,"updateBy":null,"updateName":null,"userId":null,"title":"专家告诉你什么是阴道横隔，经血不畅怎么办","content":"
严重的痛经要排除器质性病变的可能，其中生殖道畸形就往往以月经的异常和与阴道出血不协调的腹痛等表现最初的征象，那么什么是阴道横隔，经血不畅怎么办
\n![\"](\"http://01luntan.com/ly_img/uimgs/1499350898792.jpg\" "\\"")
阴道横隔，如果没孔，也会阻挡月经引流而出现疼痛，发现后切除之即可。阴道斜隔的女孩通常有两个子宫和宫颈，一侧宫颈的下方被有孔或无孔的斜隔遮挡，于是这侧的经血只能靠斜隔上的小孔或是两个宫颈之间的瘘管引流，会因流出不畅导致隔上积血，严重之时感染而流脓。切除多余的斜隔势在必行。需要注意的是，有斜隔的孩子往往伴有同侧肾的缺失。
\n什么是阴道横隔，经血不畅怎么办知识关键点：
\n1、经血引流不畅的生殖道畸形越早纠正越好。
\n2、经血引流不畅能引发以下并发症：
\n2.1、“障碍点”以上积血
\n2.2、继发感染
\n2.3、子宫内膜异位症
\n2.4、巧囊破裂等急腹症
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\n
阴道闭锁，如果只是接近会阴的下段闭锁，症状和表现与处女膜闭锁十分相似，只是行切开手术时略为复杂，而且由于闭锁的阴道组织没有处女膜柔软，容易形成瘢痕而重新变得狭窄或闭锁，通常术后要带一段时间的模具以支撑和扩张。如果阴道整段闭锁，甚至宫颈的发育也不好，则需行阴道成形、宫颈成形和阴道子宫接通术，宫颈处能否维持通畅有时并不乐观。
\n阴道成形术后能否坚持正确佩带模具是决定手术成败的关键因素，莫因一时的痛苦使医生的努力功亏一篑。
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