Bilobed placenta and management choices: liture review and two cases studies

Calagna, G.; Polito, S.; Schiattarella, A.; Cucinella, G.; Calò, F.; Chiantera, V.; D’Antonio, F.; Calì, G.

doi:10.36129/jog.2022.59

It Journ Gyn Obs

2023

DOI: 10.36129/jog.2022.59

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Bilobed placenta and management choices: liture review and two cases studies

G. Calagna¹,

S. Polito²,

A. Schiattarella³

et al.

Abstract: Provisionally accepted for publication REVIEW ARTICLE Bilobed placenta and management choices. Literature review and two cases studies Short Title: Bilobed placenta and management choices

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2023

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Prenatal diagnosis of bilobate placenta: incidence, risk factors and impact on pregnancy outcomes

Giouleka,

Siargkas,

Tsakiridis

et al. 2023

Journal of Perinatal Medicine

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Objectives To investigate the incidence and risk factors of bilobate placenta, as well as to assess its impact on preeclampsia (PE), preterm delivery (PTD) and small-for-gestational age (SGA) neonates. Methods A prospective study of singleton pregnancies, undergoing routine anomaly scan at 20+0–23+6 gestational weeks, was conducted, between 2018 and 2022. The impact of prenatally diagnosed bilobate placenta on PE, PTD and SGA was assessed. Multivariate logistic regression models were employed to assess the independent association between bilobate placenta and the main pregnancy outcomes, using specific confounders. Additionally, a risk factor analysis was performed. Results The study population included 6,454 pregnancies; the incidence of prenatally diagnosed bilobate placenta was 2.0 % (n=129). Bilobate placenta was associated with PE (aOR: 1.721; 95 % CI: 1.014–2.922), while no statistically significant association was found between this anatomical variation and SGA (aOR: 1.059; 95 % CI: 0.665–1.686) or PTD (aOR: 1.317; 95 % CI: 0.773–2.246). Furthermore, pregnancies with prenatally diagnosed bilobate placenta had an increased prevalence of abnormal cord insertion (marginal or velamentous) (9.8 vs. 27.1 %; p<0.001) and increased mean UtA PI z-score (0.03 vs. 0.23; p=0.039). Conception via ART (aOR: 3.669; 95 % CI: 2.248–5.989), previous history of 1st trimester miscarriage (aOR: 1.814; 95 % CI: 1.218–2.700) and advancing maternal age (aOR: 1.069; 95 % CI: 1.031–1.110) were identified as major risk factors for bilobate placenta. Conclusions Bilobate placenta, excluding cases of co-existing vasa previa, is associated with higher incidence of PE, increased mean UtA PI z-score and higher probability of abnormal cord insertion, but not with increased risk for SGA or PTD. It is more common in pregnancies following ART and in women with a previous 1st trimester miscarriage.

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Prenatal diagnosis of bilobate placenta: incidence, risk factors and impact on pregnancy outcomes

Giouleka,

Siargkas,

Tsakiridis

et al. 2023

Journal of Perinatal Medicine

View full text Add to dashboard Cite

show abstract

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Bilobed placenta and management choices: liture review and two cases studies

Abstract: Provisionally accepted for publication REVIEW ARTICLE Bilobed placenta and management choices. Literature review and two cases studies Short Title: Bilobed placenta and management choices

Cited by 1 publication

References 35 publications

Prenatal diagnosis of bilobate placenta: incidence, risk factors and impact on pregnancy outcomes

Prenatal diagnosis of bilobate placenta: incidence, risk factors and impact on pregnancy outcomes

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