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Related Concept Videos

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Prediction Intervals

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For effective statistical analysis, data are classified into four levels of measurement—nominal, ordinal, interval, and ratio.
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Three-dimensional Rendering and Analysis of Immunolabeled, Clarified Human Placental Villous Vascular Networks
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Interpregnancy interval and abnormally invasive placentation.

Kristina Martimucci1,2, Robyn Bilinski1, Anisha M Perez1

  • 1Department of Maternal Fetal Medicine and Surgery, Hackensack University Medical Center, Hackensack, NJ, USA.

Acta Obstetricia Et Gynecologica Scandinavica
|October 6, 2018
PubMed
Summary

A short interpregnancy interval does not appear to increase the risk of abnormally invasive placentation (AIP) in women with a previous uterine scar. Higher gravidity and parity were associated with AIP, but interpregnancy interval was not a significant factor.

Keywords:
abnormally invasive placentationaccretaincretapercretapregnancy spacingprevia

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Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine

Background:

  • Previous uterine scars are a significant risk factor for abnormally invasive placentation (AIP).
  • The potential impact of interpregnancy interval on AIP risk following cesarean delivery requires further investigation.

Purpose of the Study:

  • To investigate whether a short interpregnancy interval increases the risk of developing AIP after a prior cesarean delivery.
  • To compare interpregnancy intervals in women with AIP versus a control group.

Main Methods:

  • Retrospective cohort study including women with a histological diagnosis of AIP and a history of cesarean section.
  • Control group comprised women with prior cesarean section and placenta overlying uterine scar or anterior previa.
  • Statistical analysis using chi-square and Fisher's exact tests to compare interpregnancy intervals.

Main Results:

  • No statistically significant difference in interpregnancy interval was observed between women with AIP and the control group.
  • Higher gravidity and parity were significantly associated with AIP compared to controls.

Conclusions:

  • Findings suggest that a short interpregnancy interval may not be a predisposing factor for developing AIP.
  • Gravidity and parity are more significant factors associated with AIP risk than interpregnancy interval.