Significance of placental cord insertion site in twin pregnancy

@article{Kalafat2018SignificanceOP,
  title={Significance of placental cord insertion site in twin pregnancy},
  author={Erkan Kalafat and Baskaran Thilaganathan and Aris T. Papageorghiou and Amar Bhide and Asma Khalil},
  journal={Ultrasound in Obstetrics \& Gynecology},
  year={2018},
  volume={52}
}
To investigate the association between abnormal cord insertion and the development of twin‐specific complications, including birth‐weight discordance, selective fetal growth restriction (sFGR) and twin‐to‐twin transfusion syndrome (TTTS). 

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There is no definition of velamentous cord insertion into the intertwine membrane between two fetuses in the literature, but normal cord insertions more common in twin pregnancies compared to singleton pregnancies and velamentously cord insertion is related with poor pregnancy outcomes.

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To explore the impact of severity and management (expectant, laser treatment or selective reduction) on perinatal outcome of monochorionic twin pregnancies complicated by selective fetal growth

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A 26-year-old gravida 2 para 1 woman had a monochorionic-triamniotic (MT) triplet pregnancy that was eventually terminated by emergency caesarean section at week 31 of gestation owing to rapid

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The impact of severity and management (expectant, laser treatment or selective reduction) on perinatal outcome of monochorionic twin pregnancies complicated by selective intra-uterine growth restriction is explored.

What fetal medicine specialists should know about the monochorionic placenta.

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  • 2022

Intertwin‐membrane insertion: An ultrasound marker of defective growth in dichorionic/diamniotic twins

The incidence of twin pregnancies has been gradually raising over the past several decades, mainly due to the shift toward a more advanced maternal age at conception and to an increased use of

Intermittent absent and reversed umbilical artery flows in appropriately grown monochorionic diamniotic twins in relation to proximate cord insertion: A harmful combination?

To compare the prevalence of intermittent absent or reversed end‐diastolic flow (iAREDF) in the umbilical artery in appropriately grown monochorionic diamniotic (MCDA) pregnancies with and without

The effect of placental location identified before delivery on birthweight discordance among diamniotic-dichorionic twin pregnancies: a three-year retrospective cohort study

TLDR
It is concluded that discordant birthweight is not affected by same location of diamniotic-dichorionic placentas, and the mean value nor the absolute difference in birth weight was associated with placental location combination.

References

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Birthweight in liveborn twins: the influence of the umbilical cord insertion and fusion of placentas

Objective To assess the relation of umbilical cord insertion and fusion of placentas with birthweight in monozygotic monochorionic, monozygotic dichorionic, and dizygotic twins.

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TLDR
The main aim of this study was to ascertain the performance of BW and ultrasound EFW discordance in the prediction of perinatal loss in twin pregnancies.

Clinical outcome and placental territory ratio of monochorionic twin pregnancies and selective intrauterine growth restriction with different types of umbilical artery Doppler

To evaluate the clinical outcome and placental territory ratio in monochorionic diamniotic (MCDA) twin pregnancies and selective intrauterine growth restrictions (sIUGR) with different types of

Velamentous cord insertion in monochorionic twin gestation. An added risk factor.

TLDR
VEL cord insertion and the CEN/VEL combination are indicators of high- risk subgroups within MC twins, and can be diagnosed by ultrasound, identifying these high-risk groups.

Significance of Velamentous Cord Insertion for Twin-Twin Transfusion Syndrome

TLDR
VCI in monochorionic twin pregnancies was not a risk factor for TTTS and severe perinatal morbidities, and there was no correlation between VCI and TTTS as a composite of adverse outcomes.

Placental Cord Insertion and Birth Weight Discordancy in Twin Gestations

TLDR
The substantial increase in birth weight discordancy in monochorionic diamniotic twins that accompanies velamentous UCI underscores the need for prenatal detection and increased surveillance in these twins.
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