Results 41 to 50 of about 14,818 (157)

体外受精与胚胎移植术后妊娠的围生情况

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2000
【目的】研究体外受精与胚胎移植(IVF-ET)妊娠的围产情况。【方法】应用病例对照方法, 在控制孕周、妊娠胎数 及分娩方式情况下, 选择在中山医科大学附属第一医院行IVF-ET 妊娠并在本院住院分娩的92 例产妇与同期、同数量自然妊 娠产妇92 例作对照, 研究IVF-ET 妊娠的围生情况。【结果】IVF-ET 妊娠与同样胎数的自然受孕婴儿体重及主要产科并发症 如妊高征、产后出血、胎膜早破、死胎、新生儿窒息、糖耐量异常无明显差别, 但IVF-ET 妊娠的多胎妊娠的并发症较单胎妊娠 高 ...
钟依平, 周灿权, 庄广伦
doaj  

Ultrasound features in early pregnancy for predicting abnormal karyotype in first‐trimester miscarriage

open access: yesUltrasound in Obstetrics &Gynecology, Volume 67, Issue 3, Page 376-384, March 2026.
ABSTRACT Objective To investigate whether combining abnormal morphological features observed on ultrasound in live pregnancies that ended in a first‐trimester miscarriage can predict an abnormal karyotype. Methods This retrospective observational cohort study was conducted at the early‐pregnancy assessment unit at University College London Hospital ...
T. Setty   +5 more
wiley   +1 more source

高龄孕妇的妊娠结局 [PDF]

open access: yes, 2007
【目的】了解高龄孕妇的妊娠结局,为提高该高危人群的围产期预后提供指导。【方法】回顾性分析2006年2月11日至2006年10月7日在我院分娩的156例年龄介于35~48岁高龄孕妇的妊娠结局,并随机选择同期分娩的年龄介于21~34岁的孕妇156例作为对照。【结果】高龄组剖宫产率及辅助生育受孕率均显著高于对照组,妊娠期糖尿病及糖耐量异常、胎儿窘迫、早产的发生率高于对照组,而HSV及CMV感染显著低于对照组,两组新生儿畸形率及围产儿死亡率差异无显著性。【结论】高龄与早产、胎儿窘迫、妊娠期糖尿病 ...
王子莲   +4 more
core  

血清HCG、P检测对IVF-ET后妊娠结果的预测价值

open access: yesZhongguo shiyan zhenduanxue, 2004
目的 探讨血清HCG、P检测在IVF20ET中作为妊娠结果的预测价值。方法 回顾分析2014203例采用体外授精20胚胎移植20(IVF20ET)周期患者的妊娠结果与ET后第2014天的血清HCG、P水平。结果 临床妊娠组HCG、P水平均显著高于生化妊娠组和未妊娠组20 ...
黄娟华   +3 more
doaj  

Fetoscopic laser ablation vs standard management for Type‐II and Type‐III vasa previa

open access: yesUltrasound in Obstetrics &Gynecology, Volume 67, Issue 3, Page 320-328, March 2026.
ABSTRACT Objective The standard management (SM) for vasa previa (VP) includes antepartum inpatient admission at 28–32 weeks' gestation followed by Cesarean delivery at 34–37 weeks. Case reports and case series have reported on fetoscopic laser ablation (FLA) as an alternative management approach for Types‐II and ‐III VP.
S. Backley   +11 more
wiley   +1 more source

Relationship between Pregnancy and View of Gender Role [PDF]

open access: yes, 2007
本研究の目的は1)妊婦の,胎児に対する感情に焦点をあてて,妊娠時の心性をとらえること,2)妊娠時の心性と母性性,性役割観との関連を検討することであった。母性性,性役割観については,現実の自分と,自分にとっての重要性の2つの次元からの評定を求めた。159名の妊婦から,有効なデータが得られた。結果は以下の通りであった。妊娠時の心性では,2つの因子が抽出された。胎児に対する肯定的な感情であると,胎児への否定的な感情や、支配される感じを含むである。積極的一体感は,現実次元の母性性,女性性だけでなく ...
Hashimoto, Naoko   +4 more
core  

某地区妊娠妇女甲状腺功能检查指标参考范围研究

open access: yesZhongguo shiyan zhenduanxue, 2017
目的建立本地区健康妊娠妇女妊娠各阶段甲状腺功能指标的参考范围,探讨各指标的变化规律及临床意义。方法采用化学发光免疫分析方法测定健康妊娠妇女和非妊娠妇女血清促甲状腺激素(TSH)、游离三碘甲状腺原氨酸(FT3)和游离甲状腺素(FT4),采用双侧限值P2.5-P97.5建立健康非妊娠妇女和妊娠各期特异的血清TSH、FT3和FT4的参考范围。结果健康非妊娠妇女、妊娠早期、中期和晚期的TSH参考范围分别为:1.15-4.58mIU/L,0.44-3.34mIU/L,0.53-4.01mIU/L,0.95-4 ...
窦俊红
doaj  

Cost–benefit analysis of first‐trimester pre‐eclampsia screening: comparison of multivariable Gaussian algorithm with and without placental growth factor

open access: yesUltrasound in Obstetrics &Gynecology, Volume 67, Issue 2, Page 162-167, February 2026.
ABSTRACT Objective Pre‐eclampsia (PE) is a leading cause of maternal and neonatal morbidity and mortality worldwide. Early identification of high‐risk pregnancies in the first trimester allows preventive treatment with low‐dose aspirin. This study aimed to evaluate whether multivariable Gaussian algorithm‐based PE screening strategies, with and without
E. Bonacina   +10 more
wiley   +1 more source

冷冻胚胎解冻移植264个周期临床分析

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2007
【目的】探讨影响冷冻胚胎解冻移植妊娠率的因素。【方法】收集2001年11月到2006年1月264位病人在本中心进行冷冻胚胎解冻移植264个周期的资料,进行回顾分析。【结果】264个周期中有67个周期妊娠,周期妊娠率25.38%。妊娠组平均每次移植胚胎个数多于非妊娠组(2.84±0.57 vs 2.45±0.82 ...
魏春霞   +7 more
doaj  

Risk of pre‐eclampsia according to gestational age across three decades: population‐based study

open access: yesUltrasound in Obstetrics &Gynecology, Volume 67, Issue 2, Page 155-161, February 2026.
ABSTRACT Objectives To determine the risk of pre‐eclampsia in ongoing pregnancies according to gestational age. We also studied whether the gestational‐age‐specific risks of developing pre‐eclampsia have changed over recent decades. Methods This was a population‐based study using data from the Medical Birth Registry of Norway.
C. Haavaldsen, O. Thomas, A. Eskild
wiley   +1 more source

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