AI Article Synopsis
- The study examines how noncavity distorting intramural uterine fibroids affect maternal serum biomarkers used for first trimester aneuploidy screening.
- Pregnant women with these fibroids showed significantly lower levels of the biomarker pregnancy-associated plasma protein-A (PAPP-A) compared to controls, particularly when the fibroids were larger than 5.5 cm.
- The results suggest that larger fibroids are inversely correlated with PAPP-A levels, which is important for accurate risk assessment in prenatal screening.
Article Abstract
Objective: Reliable aneuploidy risk estimation in first trimester is prominently interconnected with accurate assessment of maternal serum biomarkers. Some maternal factors like insulin-dependent diabetes, weight, and rhesus status are known to alter levels of these biomarkers. Adjustment of biomarker values for specific factor is crucial to avoid excessive invasive procedures or missed diagnoses. We aimed to investigate the effects of noncavity distorting intramural uterine fibroids on first trimester aneuploidy screening test maternal serum biomarkers.
Methods: Pregnant women who underwent first trimester aneuploidy screening test in a single tertiary center between 2011 and 2020 were retrospectively assessed. One hundred ninety-eight women were found to have at least one noncavity distorting intramural uterine leiomyoma (Figo type 3-6) of at least 2 cm diameter and remaining women were assigned as controls. First trimester aneuploidy screening test parameters were compared.
Results: Pregnancy associated plasma protein-A (PAPP-A) MoMs were found significantly lower in leiomyoma group in comparison to control group (1.19 ± 0.60 MoM vs. 1.40 ± 0.73 MoM, p = 0.002). PAPP-A MoMs in women with leiomyomas larger than 5.5 cm were significantly lower in comparison to both control group and women with ≤5.5 cm leiomyomas (0.82 ± 0.376 vs. 1.40 ± 0.73, p < 0.001; 0.82 ± 0.376 vs. 1.33 ± 0.61 p < 0.001, respectively). PAPP-A MoM and size of leiomyoma were found inversely correlated when fibroid size exceeds 5.5 cm (r = -0.467, p < 0.001).
Conclusion: Noncavity distorting intramural uterine leiomyomas >5.5 cm are associated with low first trimester PAPP-A MoMs (<0.5). PAPP-A concentrations are inversely correlated with fibroid size in women with >5.5 cm intramural uterine leiomyomas. Fibroids ≤5.5 cm are not associated with alterations in first trimester aneuploidy screening test parameters.
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| http://dx.doi.org/10.1111/jog.15188 | DOI Listing |
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