Prevalence of placenta praevia by world region: a systematic review and meta‐analysis

Cresswell, Jenny A.; Ronsmans, Carine; Calvert, Clara; Filippi, Véronique

doi:10.1111/tmi.12100

Cited by 192 publications

(133 citation statements)

References 53 publications

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“…14 Cresswell JA et al In a systematic review and meta-analysis found a very high level of heterogeneity and regional variations in the incidence of placenta praevia; the highest was in the Asian countries. 15 This finding is supportive for our finding which was different from finding in other regions of the world and nearly similar to others. There may be undiscovered factors that lead to this variation which requires further studies.…”

Section: Discussionsupporting

confidence: 89%

Placenta praevia in Najran University hospital: incidence and risk factors

Mustafa

Elbashir

Waddad

et al. 2017

Int J Reprod Contracept Obstet Gynecol

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INTRODUCTIONPlacenta praevia is characterized by the abnormal placenta overlying the endocervical os, and it is known as one of the most feared adverse maternal and fetalneonatal complications in obstetrics.1 Women with placenta praevia are at an increased risk of second trimester vaginal bleeding.2 Placenta praevia is a source of drastic pregnancy, fetal and neonatal complications, e.g. peripartum hysterectomy, blood transfusion, postpartum hemorrhage, and placenta accreta for the mother, prematurity and intrauterine growth restriction for the fetus and increase in neonatal mortality rates in singleton pregnancies. 3Pathophysiology of placenta praevia is uncertain.Moreover, there appears to be an association between endometrial damage and uterine scarring and subsequent placenta praevia. We have conducted this study to find out the incidence of placenta praevia in Najran University Hospital. 4 METHODSThis study is a cross-sectional descriptive, one-year retrospective and one-year prospective study, carried out from April 2014 to April 2016. All pregnant women attended the antenatal care clinic in Najran University Hospital during the study period, were included. The data was collected in a designed questionnaire after informed consent from all patients in the prospective period.The patient's records in the retrospective period were the source of data. Abdominal Ultrasound scanning was ABSTRACT Background: Placenta praevia is a source of drastic pregnancy, fetal and neonatal complications. There was variable incidence in the literature in different parts of the world and within the same country regions. We carried out this study to find the impact in our area and the possible risk factors for this serious obstetric problem. Methods: This study is a cross-sectional descriptive, one-year retrospective one-year prospective study, carried out from April 2014 to April 2016. All pregnant women attended the antenatal care clinic in Najran University Hospital during the study period, were included. Results: The incidence of placenta praevia was found to be 2.7%. AMONG the study group, the most affected age group was between 20-29 years. Previous placenta praevia and previous caesarean section were the significant risk factors P=0.00 and 0,017 repectively. Conclusions:The incidence of placenta praevia in Najran KSA in this study was high, compared to other regions in Saudi Arabia and the majority of the international figures. Caesarean section and previous placenta praevia were the significant risk factors for placenta praevia in this study.

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Section: Discussionsupporting

confidence: 89%

Placenta praevia in Najran University hospital: incidence and risk factors

Mustafa

Elbashir

Waddad

et al. 2017

Int J Reprod Contracept Obstet Gynecol

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“…Placental abnormality was reported in 21 (11.2%) pregnancies, with placenta previa being the most commonly reported abnormality (Table 2). The rate of placenta previa within our cohort was 3.2%, which is significantly higher than the North American population prevalence of 0.29% (p<0.001) (15). Of the 6 patients with placenta previa, 2 (33.3%) were diagnosed in the first trimester, 1 (16.7%) in the second trimester, 1 (16.7%) in the third trimester, and 2 (33.3%) were unknown.…”

Section: Resultscontrasting

confidence: 67%

Prenatal Risk Factors for PHACE Syndrome: A Study Using the PHACE Syndrome International Clinical Registry and Genetic Repository

Wan

Steiner

Baselga

et al. 2017

The Journal of Pediatrics

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“…2,3 The incidence appears to have increased in relationship to the increasing rate of cesarean deliveries. Indeed, there is a dose-response relationship between the number of previous cesarean deliveries and subsequent placenta previa.…”

Section: Placenta Previa Backgroundmentioning

confidence: 94%

Abnormal Placentation

Silver¹

2015

Obstetrics &Amp; Gynecology

415

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Placental disorders such as placenta previa, placenta accreta, and vasa previa are all associated with vaginal bleeding in the second half of pregnancy. They are also important causes of serious fetal and maternal morbidity and even mortality. Moreover, the rates of previa and accreta are increasing, probably as a result of increasing rates of cesarean delivery, maternal age, and assisted reproductive technology. The routine use of obstetric ultrasonography as well as improving ultrasonographic technology allows for the antenatal diagnosis of these conditions. In turn, antenatal diagnosis facilitates optimal obstetric management. This review emphasizes an evidence-based approach to the clinical management of pregnancies with these conditions as well as highlights important knowledge gaps.

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Prevalence of placenta praevia by world region: a systematic review and meta‐analysis

Cited by 192 publications

References 53 publications

Placenta praevia in Najran University hospital: incidence and risk factors

Placenta praevia in Najran University hospital: incidence and risk factors

Prenatal Risk Factors for PHACE Syndrome: A Study Using the PHACE Syndrome International Clinical Registry and Genetic Repository

Abnormal Placentation

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