目的：探讨双胎妊娠的分娩方式与妊娠结局的关系。
Objective: To study the relationship between delivery route and pregnancy outcome in twin pregnancy.
如果有两个心跳，而非一，即通常是最好的说明一双胎妊娠。
If there are two heartbeats instead of one, that is usually the best indication of a twin pregnancy.
目的探讨正常双胎妊娠期间胎儿大脑中动脉搏动指数的变化；
Objective (1)To study the change of fetal middle cerebral artery pulsatility index(PIMCA) in twin pregnancy;
目的探讨双胎妊娠胎儿体重不协调与孕妇并发症及新生儿结局的关系。
Objective: To detect the relationship between birth weight discordancy and the pregnant results such as preeclampsia and prenatal mortality.
目的探讨双胎妊娠实施围产期并发症管理降低母婴并发症的临床效果。
Objective To discuss the clinical effect of maternal and neonatal complication reduction after managing complications of perinatal twin pregnancy.
结论双胎妊娠胎儿与单胎妊娠胎儿在晚孕期有着不同的生长发育规律。
Conclusion The twin pregnancy and singleton pregnancy have different growth patterns in the third trimester pregnancy.
足月低体重儿组的剖宫产娩出以胎儿宫内窘迫、妊高征及双胎妊娠为主；
Signs of cesarean section in uw group were mostly in pregnancy induced hypertension, twin pregnancy and fetal distress;
双胎妊娠并发症的研究(临床及基础研究)，胎儿骨骼、神经系统疾病的研究。
On the research about the complication of twin pregnancy (the clinic and basic medicine research), fetal bone disease, fetal nerve system disease.
霍尔特在软件中设定，只有当患者的双胎妊娠概率低于15%时推荐移植两个胚胎。
Holte has programmed the software to recommend double embryo transfer only when the woman's probability of having twins is below 15 per cent.
结论：应加强对双胎妊娠孕期监护，积极预防和治疗妊娠并发症，降低围产儿死亡率。
Conclusions: the key to decrease the perinatal mortality is to enhance the fetal surveillance especially for twin pregnancy, prevent and treat actively the pregnant complications.
一个新的模型可以帮助解决这个难题，即评估接受IVF治疗的患者的双胎妊娠的概率。
A new model could help solve the dilemma by weighing each woman's probability of having twins against the likelihood of conceiving through IVF.
结果双胎妊娠妊娠期、产时和产后并发症多于单胎妊娠，胎位是决定分娩方式的主要因素。
Results Twin pregnancy had more complications than singleton during in labor and puerperuim Conclusions Antenatal care should be enhanced in twin pregnancy.
我们描述一个案件双卵双胎妊娠其中提到了我们的中心，因为一个不和谐的异常之一的双胞胎。
We describe a case of dizygotic twin pregnancy which was referred to our centre because of a discordant anomaly of one of the twins.
结论双胎妊娠合并贫血时各种并发症发生率成倍增加，特别是重度贫血对孕产妇和围生儿有严重的威胁。
Conclusion When twin pregnancy complicated with anemia, the rate of the pregnancy complications are time high and the severe anemia is associated with greater risks for both mothers and fetuses.
结论：孕34周后在促进胎肺成熟的基础上放宽剖宫产的指征，有利于改善双胎妊娠的围生儿状况及预后。
Conclusion It is helpful to im prove the perinatal fetal prognosis of twin pregnancy if we loose the standard of operation on the basis of promoting the ripe of lung in 34weeks.
结论：不是所有的双胎妊娠都要行剖宫产，只要正确的选择双胎妊娠的分娩方式，新生儿窒息率将会显著降低。
Conclusion: Not all have cesarean section of twin pregnancy, twin pregnancy as long as the right choice for the mode of delivery, neonatal asphyxia will be significantly reduced.
在双绒毛膜双胎妊娠中，如果其中一个胎儿在26周仅重320克，发生宫内死亡风险很高时，我们通常会建议推迟产妇的分娩时间。
In a dichorionic pregnancy, if a co-twin weighs 320 g at 26 weeks and is at high risk of in utero death, we typically would advise the parents to delay delivery.
若方案有每次操作的活胎出生率，要明确方案表达的计数将双胎作为一次而不是两次成功的妊娠。
If a program cites a live birth rate for each procedure, be sure that the program representative counts twins as one successful pregnancy, not two.
方法用双胎母绵羊，每胎其中一只胎羊在母羊妊娠中期切除甲状腺。
Method During mid pregnancy of the female sheep with twins, one fetus of the twins was thyroidectomized.
一胎于妊娠12～34周死亡者或单卵双胎者，其存活胎婴儿病率增加。
The morbidity of the living fetus was markedly increased in single fetal in 12~34weeks or those in monozygotic twins.
双胎减为单胎较未减胎的双胎者比较，妊娠结局明显改善。
And the embryos number before MPR also significantly impacted the pregnancy outcomes.
双胎减为单胎较未减胎的双胎者比较，妊娠结局明显改善。
And the embryos number before MPR also significantly impacted the pregnancy outcomes.
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