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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
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.
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.
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