1、前置胎盘 placenta previa,复旦大学附属妇产科医院 卢媛,胎盘正常位置,孕28周后胎盘附着于子宫下段,胎盘下缘甚至达到或覆盖宫颈内口,其位置低于胎儿先露部,称为前置胎盘(placenta previa)。,定义,病因,子宫内膜病变或损伤 胎盘异常:胎盘面积过大 副胎盘 膜状胎盘 受精卵滋养层发育迟缓,临床分类,完全性前置胎盘(...
foetus to the placenta, facilitating the transfer of materials. the placenta is usually attached at the top, bottom, side, front or back of the uterus. in extreme cases, the placenta gets attached to the lower part of the uterus resulting in a condition known as placenta previa. main ...
【疾病名】前置胎盘【英文名】placentaprevia【缩写】【别名】placentapraevia;placentalpresentation【ICD号】O44【概述】前置胎盘(placentaprevia)是最常见的产前出血疾病。胎盘在正常情况下附着于子宫体部的后壁,前壁或侧壁。前置胎盘即胎盘种植于子宫下段或覆盖于子宫颈内口上,位于胎先露之前。前置胎盘的表现是在妊娠...
【疾病名】前置胎盘【英文名】placentaprevia【别名】placentapraevia;placentalpresentation【ICD号】O44【病因和发病机制研究的进展】1.病因研究进展前置胎盘的病因目前尚不十分清楚,但经过国内外学者大量的研究,已初步确定与下列情况有关:子宫内膜病变与损伤、胎盘面积过大、胎盘异常、受精卵滋养层发育迟缓。导致这些情况...
Placenta previa: effect of age, gravidity, parity and previous caesarean section. Obstet Gynecol Invest 1999; 47:6-8.Abu-Heija AT,El-Jallad F,Ziadeh S.Placenta previa:effect of age,gravidity,parity and previous caesarean section(J). Gynecologic and Obstetric Investigation . 1999...
Placenta previaAuthor links open overlay panelRoger P. SmithShow more Add to Mendeley Share Cite https://doi.org/10.1016/B978-84-458-1311-9.50078-1Get rights and contentAccess through your organization Check access to the full text by signing in through your organization. Access through your ...
PDF下载ABSTRACT Objectives:To investigate whether a precise circular resection of the uterine tissue at the placental attachment part is effective in cases with placenta previa complicated with placenta percreta (PPWPP). Methods:Patients diagnosed with PPWPP were assessed for pregnancy termination at 34...
et al. Increased levels of cell-free miR-517a and decreased levels of cell-free miR-518b in maternal plasma samples from placenta previa pregnancies at 32 weeks of gestation. Reprod. Sci. 22, 1569–1576 (2015). 10. Miura, K. et al. Circulating chromosome 19 miRNA cluster microRNAs in ...
and placenta percreta penetrates the myometrium to or beyond theserosa.13The greatest risk factor is a placenta previa in the setting of a prior cesarean section (increasing to 67% with 4 or more14). Other risk factors include priormyomectomy, priorcesarean delivery,Asherman syndrome, submucousleio...
Placenta previa and in particular the increased number of caesarian deliveries are important risk factors 4 for placenta accrete. Previous uterine surgeries, being over 35, grand-parity, smoking, previous uterine curettage operations, endometrial ablation, Asherman's syndrom, uterine submucosal fibroids ...