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Placenta previa

Y-L Wang, X-H Duan, X-W Han, X-L Zhao, Z-M Chen, Q-J Chu
AIM: To evaluate the role of magnetic resonance imaging (MRI) for diagnosis and therapeutic planning in patients with abnormal placentation (AP). MATERIALS AND METHODS: Overall, 168 consecutive patients with suspected placenta previa and AP were referred for MRI before caesarean section (CS). The ability of MRI to properly detect and assess abnormal placentation was correlated with findings at CS, which were considered the reference standard diagnostic tool. For each patient, MRI was used to determine whether the AP was suitable for complete/incomplete delivery, hysterectomy, or conservative treatment...
October 21, 2016: Clinical Radiology
Suzanne McMurtry Baird, Nan H Troiano, Margaret Betsy Babb Kennedy
"Morbidly adherent placenta" is a term that describes the continuum of placenta accreta, increta, and percreta. The incidence of this type of abnormal placentation has increased significantly over recent decades. The reason is probably multifactorial but, partly, because of factors such as the increasing number of cesarean births. Women at greatest risk are those who have myometrial damage caused by a previous cesarean birth, with either anterior or posterior placenta previa overlying the uterine scar. This condition poses significant risks of morbidity and/or mortality to the pregnant woman and her fetus...
October 2016: Journal of Perinatal & Neonatal Nursing
Linling Zhu, Yu Zhang, Yifeng Liu, Runjv Zhang, Yiqing Wu, Yun Huang, Feng Liu, Meigen Li, Saijun Sun, Lanfeng Xing, Yimin Zhu, Yiyi Chen, Li Xu, Liangbi Zhou, Hefeng Huang, Dan Zhang
This study was carried out to explore associations between assisted reproductive technology (ART) and maternal and neonatal outcomes compared with similar outcomes following spontaneously conceived births. We conducted a retrospective cohort study of pregnancies conceived by ART (N = 2641) during 2006-2014 compared to naturally conceived pregnancies (N = 5282) after matching for maternal age and birth year. Pregnancy complications, perinatal complications and neonatal outcomes of enrolled subjects were investigated and analysed by multivariate logistic regression...
October 20, 2016: Scientific Reports
Ayaka Kawabe, Liangcheng Wang, Atsuko Kikugawa, Yuko Shibata, Kenichi Kuromaki, Akiyoshi Takagi
OBJECTIVE: Uterine rupture is a rare but serious obstetric complication. However, prediction and diagnosis at an early stage remain difficult. Herein, we report a case of primary uterine rupture found earlier by a specific symptom. CASE REPORT: A 29-year-old patient was scheduled to undergo a cesarean section (CS) due to placenta previa. However, at Week 35, she began experiencing abdominal pain and uterine contractions. Subsequently, she began experiencing severe pain, which was enhanced by fetal movements...
October 2016: Taiwanese Journal of Obstetrics & Gynecology
Chun-Che Huang, Yu-Tung Huang, Ming-Ping Wu
OBJECTIVE: Limited information is available on health issues during pregnancy and after childbirth among nurses, especially on a nationwide level. This study thus aimed to compare antenatal and perinatal complications between nurses and nonmedical working women in Taiwan. MATERIALS AND METHODS: This nationwide population-based study was conducted using data from the Taiwan National Health Insurance Research Database. A total of 44,166 nurses and 442,107 nonmedical working women with full-time employment, aged 20-50 years, who gave birth to singletons were identified between 2007 and 2011...
October 2016: Taiwanese Journal of Obstetrics & Gynecology
Dazhi Fan, Song Wu, Wen Wang, Lihong Xin, Guo Tian, Li Liu, Jinping Feng, Xiaoling Guo, Zhengping Liu
BACKGROUND: Placenta previa is characterized by the abnormal placenta overlying the endocervical os, and it is known as one of the most feared adverse maternal and fetal-neonatal complications in obstetrics. OBJECTIVES: We aimed to obtain overall and regional estimates of placenta previa prevalence among deliveries in Mainland China. METHODS: The research was performed a systematic review, following the Meta-analysis of observational studies in epidemiology (MOOSE) guidelines for systematic reviews of observational studies, and the preferred reporting items for systematic reviews and meta-analysis (PRISMA) statement for reporting systematic reviews and meta-analysis...
October 2016: Medicine (Baltimore)
Yosuke Baba, Hironori Takahashi, Akihide Ohkuchi, Rie Usui, Shigeki Matsubara
AIM: During cesarean section (CS) for placenta previa (PP), the size/area/portion of the lower uterine segment occupied by the placenta may affect the bleeding amount and the subsequent need for a blood transfusion (BT). We propose a new concept, indiscernible edge total PP (IEPP), when vaginal ultrasound does not discern the lower placental edge because the placenta covers the visible lower segment. We characterized IEPP, focusing on its allogeneic BT requirement. METHODS: We classified PP (n = 307) into four types: marginal, partial, discernible edge total PP (DEPP) and IEPP: internal ostium (os)-placental edge distance measurable or unmeasurable on vaginal ultrasound in DEPP or IEPP, respectively...
October 8, 2016: Journal of Obstetrics and Gynaecology Research
Raphael Câmara, Marcelo Burlá, José Ferrari, Lana Lima, Joffre Amim, Antonio Braga, Jorge Rezende
Cesarean section by maternal request is the one performed on a pregnant woman without medical indication and without contraindication to vaginal delivery. There is great controversy over requested cesarean section. Potential risks include complications in subsequent pregnancies, such as uterine rupture, placenta previa and accreta. Potential benefits of requested cesareans include a lower risk of postpartum hemorrhage in the first cesarean and fewer surgical complications compared with vaginal delivery. Cesarean section by request should never be performed before 39 weeks...
July 2016: Revista do Colégio Brasileiro de Cirurgiões
S H Cui, Y X Zhi, K Zhang, L D Zhang, L N Shen, Y N Gao
Objective: To investigate the value of temporary balloon occlusion of the abdominal aorta in the treatment of complete placenta previa with placenta accreta. Methods: From January 2015 to February 2016, 24 cases of complete placenta previa with placenta accreta were treated with temporary balloon occlusion of the abdominal aorta(the study group)before cesarean, and 24 cases of complete placenta previa with placenta accreta did not receive balloon occlusion(the control group). The operation time, intraoperative blood loss, intraoperative blood transfusion volume, the perioperative hemoglobin level, the hysterectomy rate and the related complications were compared retrospectively...
September 25, 2016: Zhonghua Fu Chan Ke za Zhi
Laura Benaglia, Giorgio Candotti, Enrico Papaleo, Luca Pagliardini, Marta Leonardi, Marco Reschini, Lavinia Quaranta, Maria Munaretto, Paola Viganò, Massimo Candiani, Paolo Vercellini, Edgardo Somigliana
STUDY QUESTION: Are women with endometriosis who conceive with IVF at increased risk of preterm birth? SUMMARY ANSWER: Women with endometriosis who conceive with IVF do not face an increased risk of preterm birth. WHAT IS KNOWN ALREADY: The eutopic endometrium of women with endometriosis has been repeatedly shown to present molecular and cellular alterations. On this basis, it has been hypothesized that pregnancy outcome may be altered in affected women...
September 24, 2016: Human Reproduction
Sevan A Vahanian, Anthony M Vintzileos
PURPOSE OF REVIEW: Placental implantation abnormalities (PIAs) comprise a large group of disorders associated with significant maternal, fetal, and neonatal morbidity. RECENT FINDINGS: Risk factors include prior uterine surgery/myometrial scarring and the presence of placenta previa with or without prior cesarean delivery. Newly identified risk factors include previous prelabor cesarean delivery and previous postpartum hemorrhage. PIAs contribute substantially to preterm birth with prematurity rates ranging from 38 to 82%...
September 21, 2016: Current Opinion in Obstetrics & Gynecology
Chunqin Chen, Feikai Lin, Xiaoyun Wang, Yaping Jiang, Sufang Wu
PURPOSE: This study was aimed to evaluate the safety and efficacy of the second-trimester medical abortions using mifepristone and ethacridine lactate in women with placenta previa and/or prior cesarean deliveries. METHODS: The patients who underwent a second-trimester pregnancy termination from January 2009 to December 2015 were retrospectively analyzed. The eligible patients were assigned to four groups based on placentation and cesarean history. The abortion interval (AI), blood loss, hospital stays, incidence of curettage, and transfusion were reviewed...
September 22, 2016: Archives of Gynecology and Obstetrics
Abha Singh, Ruchi Kishore, Saveri Sarbhai Saxena
AIM: To study the outcomes, benefits and complications of internal iliac artery ligation in both obstetric and gynecological cases. OBJECTIVE: To study the outcomes, effectiveness and complications of internal iliac artery ligation (IIAL). METHOD: This is an analytical longitudinal study done among women who have undergone internal iliac artery ligation in Dr. BRAMH a tertiary referral center from July 2013 to June 2015. Follow-up was done through color Doppler analysis of pelvic arteries before discharge, after 6 weeks and after 6 months...
October 2016: Journal of Obstetrics and Gynaecology of India
M Okumura, R P Francisco, M M Kondo, R Schultz, M Zugaib
No abstract text is available yet for this article.
September 2016: Ultrasound in Obstetrics & Gynecology
M Delius, M Hartmann, C Hübener, S Mahner, U Hasbargen
No abstract text is available yet for this article.
September 2016: Ultrasound in Obstetrics & Gynecology
M Goto, J Hasegawa, T Arakaki, H Takita, T Oba, M Nakamura, A Sekizawa
No abstract text is available yet for this article.
September 2016: Ultrasound in Obstetrics & Gynecology
E Domali, A Besharat, E Telaki, G Daskalakis, K Stefanidis, D Loutradis, P Drakakis
No abstract text is available yet for this article.
September 2016: Ultrasound in Obstetrics & Gynecology
Jovana Lekovich, Joshua Stewart, Sarah Anderson, Erin Niemasik, Nigel Pereira, Stephen Chasen
OBJECTIVE: Müllerian anomalies are associated with increased risk of miscarriage, intrauterine growth restriction (IUGR) and preterm birth. While a commonly implicated cause is restricted expansion of endometrial cavity, alternatively it could be due to abnormal placentation. We sought to examine clinical and histopathologic factors associated with preterm delivery in women with Müllerian anomalies. STUDY DESIGN: One hundred and eleven singleton pregnancies in 85 women were analyzed retrospectively...
August 17, 2016: Journal of Perinatal Medicine
Zhenyu Chen, Ju Li, Jian Shen, Jiaxi Jin, Wei Zhang, Wan Zhong
OBJECTIVE: To evaluate direct puncture embolization of the internal iliac artery with hemostatic gelatin sponge particles to treat pernicious placenta previa coexisting with placenta accreta during cesarean delivery. METHODS: A retrospective study was conducted of data from women with pernicious placenta previa and placenta accreta who underwent direct puncture embolization of the internal iliac artery during cesarean delivery at a center in China between September 1, 2013, and February 28, 2015...
August 21, 2016: International Journal of Gynaecology and Obstetrics
Reija Klemetti, Mika Gissler, Susanna Sainio, Elina Hemminki
It is poorly understood if there are specific ages at which adverse outcomes during pregnancy and childbirth start to increase (threshold-ages). The purpose of this study was to examine at which maternal ages the use of maternity care and the risks for adverse maternal and infant outcomes increase MATERIAL AND METHODS: National data from the Finnish Medical Birth Register including all first-time mothers aged 20 years or over with singleton pregnancies in 2005-2014 were analysed (N=228 348). Odds ratios for each outcome at different ages were calculated by logistic regression, using women aged 20-24 (N=56 282) as the reference and adjusting for socioeconomic position and urbanity of residence...
September 13, 2016: Acta Obstetricia et Gynecologica Scandinavica
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