A comparison of risk factors for breech presentation in preterm and term labor: a nationwide, population-based case–control study

Toijonen, Anna; Heinonen, Seppo; Gissler, Mika; Macharey, Georg

doi:10.1007/s00404-019-05385-5

Cited by 38 publications

(32 citation statements)

References 43 publications

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“…We evaluated potential confounders, which could have an effect on the maternal and neonatal outcomes during the second delivery. We reviewed the following factors: maternal age below 25 and over 35 years, smoking, body mass index (BMI) ≥ 30 and ≥ 35, hypo-or hyperthyroidism, gestational diabetes and pre-existing type 1 diabetes mellitus, preeclampsia, placenta praevia, placental abruption, premature rupture of membranes (PROM), oligohydramnios congenital fetal anomalies, infant sex, and small for gestational age (SGA) according to Finnish standards [14,15].…”

Section: Populationmentioning

confidence: 99%

Term cesarean breech delivery in the first pregnancy is associated with an increased risk for maternal and neonatal morbidity in the subsequent delivery: a national cohort study

Macharey

Toijonen

Hinnenberg

et al. 2020

Arch Gynecol Obstet

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Purpose To determine whether there is an association between term cesarean breech delivery in the first pregnancy and maternal and neonatal morbidities in the subsequent pregnancy and delivery. Methods We conducted a retrospective, nationwide Finnish population-based cohort study, including all deliveries from January 2000 to December 2017. We included all women with the first two consecutive singleton deliveries of which the first one was a breech delivery regardless of mode of delivery (n = 11,953), and constructed a data set in which the first two deliveries for these women were connected. The outcomes of the second delivery of the women with a first pregnancy that resulted in cesarean breech delivery at term were compared with women whose first pregnancy resulted in a vaginal breech delivery at term. P-value, odds ratio, and adjusted odds ratio were calculated. Results Neonates of a subsequent delivery after cesarean breech delivery had an increased risk for arterial umbilical cord pH below seven, a higher rate of a 5 min APGAR score < 7 and a higher rate of neonatal intensive care unit admission. The women with a history of cesarean section with the fetus in breech presentation were more often in need of a blood transfusion and suffered more often a uterus rupture. In this group, the second delivery was more often a planned cesarean section, an emergency cesarean section, or an instrumental vaginal delivery. Conclusions Primary cesarean breech section in the first pregnancy is associated with adverse neonatal and maternal outcomes in the subsequent delivery.

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Section: Populationmentioning

confidence: 99%

Term cesarean breech delivery in the first pregnancy is associated with an increased risk for maternal and neonatal morbidity in the subsequent delivery: a national cohort study

Macharey

Toijonen

Hinnenberg

et al. 2020

Arch Gynecol Obstet

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“…The present results showed that women with a history of preterm birth exhibited 1.66 times higher risk of having PPH than those without a history of preterm birth. The reason may be that women with preterm deliveries often have pregnancy complications such as placenta previa and premature rupture of membranes, which cause endometrial damage and increase the risk of bleeding [ 29 , 30 ].…”

Section: Discussionmentioning

confidence: 99%

Factors Affecting the Risk of Postpartum Hemorrhage in Pregnant Women in Tibet Health Facilities

Pubu

Bianba

et al. 2021

Med Sci Monit

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Background Postpartum hemorrhage (PPH), the leading cause of maternal death, is defined as a blood loss >500 mL within 24 h after vaginal delivery or >1000 mL within 24 h after cesarean section. This study aimed to investigate the incidence of PPH and assess its risk factors in pregnant women in Tibet to provide a reference for clinicians in this region. Material/Methods A total of 4796 pregnant women with gestational age ≥28 weeks who were admitted to hospitals in Tibet between December 2010 and December 2016 were involved in this study. Patient sociological and clinical data and pregnancy outcomes were collected. The related risk factors of PPH were analyzed by univariate and multivariable logistic regression. The area under the curve of the receiver operating characteristic curves was used to evaluate the effect of the PPH prediction model. Results PPH occurred in 95 women, with an incidence of 1.98%. The following factors were associated with higher risk for PPH: maternal age ≥35 (odds ratio [OR]=1.96; 95% confidence interval [CI], 1.18–3.27; P =0.010), history of preterm birth (OR=2.66; 95% CI, 1.60–4.42; P <0.001), cesarean section (OR=6.69; 95% CI, 4.30–10.40; P <0.001), neonatal weight >4 kg (OR=3.92; 95% CI, 1.75–8.81; P <0.001) and occurrence of neonatal asphyxia (OR=5.52; 95% CI, 2.22–13.74; P <0.001). Conclusions Maternal age ≥35, history of preterm birth, cesarean section, newborn weight >4 kg, and neonatal asphyxia were risk factors of PPH, which can help evaluate PPH in Tibet.

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“…Incidence of gestational diabetes (11.5%) and gestational hypertension (9.9%) in this study were almost similar to the institutional incidence during the period which was 13.5% and 10.4% respectively. 27 In breech presentation as per se there is no increased incidence of medical complications.…”

Section: Discussionmentioning

confidence: 99%

Retrospective analysis of breech deliveries in tertiary care center

Sankaran¹,

Pillai

2020

Int J Reprod Contracept Obstet Gynecol

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Background: Breech presentation is the commonest malpresentation accounting for 3-4% of all deliveries at term. The most common cause for breech presentation is preterm delivery. The safest route of delivery for breech had long been a topic of debate and after the results of term breech trial mode of delivery has become abdominal route even in teaching institutions.Methods: This is a retrospective cross sectional study conducted at department of obstetrics and gynaecology, Government medical college, Kozhikode, for a period of 2 years from 01 January 2016 to 31 December 2017. Mothers with gestational age between 28 weeks to 41 weeks with singleton live fetus with breech presentation who had either vaginal or caesarean delivery were included. The case notes were retrieved from the medical records department.Results: A total of 823 breech deliveries occurred during the study period. Of the total mothers 429 were primies and 394 were multies. Common causes identified were prematurity, intrauterine growth restriction, uterine and fetal anomalies. Mode of delivery was caesarean in more than 80% of cases.Conclusions: Incidence of breech presentation was 3.2% during the study period. Increasing incidence of caesarean delivery is seen in breech presentation. Persistent breech presentation at term is most commonly seen in patients with associated oligamnios, intrauterine growth restriction, and uterine anomalies.

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A comparison of risk factors for breech presentation in preterm and term labor: a nationwide, population-based case–control study

Cited by 38 publications

References 43 publications

Term cesarean breech delivery in the first pregnancy is associated with an increased risk for maternal and neonatal morbidity in the subsequent delivery: a national cohort study

Term cesarean breech delivery in the first pregnancy is associated with an increased risk for maternal and neonatal morbidity in the subsequent delivery: a national cohort study

Factors Affecting the Risk of Postpartum Hemorrhage in Pregnant Women in Tibet Health Facilities

Retrospective analysis of breech deliveries in tertiary care center

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