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Table 3 Comparison of complications classified by endometriosis severity

From: Assisted reproductive technology pregnancy complications are significantly associated with endometriosis severity before conception: a retrospective cohort study

  rASRM stage I – III Odds ratio (95 % Cl)a rASRM stage IV Odds ratio (95 % Cl)a Odds ratio (95 % Cl)b
Preterm birth 2 (4.9 %) 0.55 (0.09–1.90) 12 (27.9 %) 4.11 (1.88–8.55)*** 7.40 (1.83–50.3)***
Placenta Previa 1 (2.4 %) 3.61 (0.18–26.3) 7 (17.1 %) 39.8 (10.1–189.1)*** 11.0 (1.75–216.5)***
SGA 4 (10.3 %) 0.99 (0.29–2.61) 7 (20.6 %) 2.30 (0.88–5.37) 2.32 (0.63–9.70)
  1. rASRM revised American Society for Reproductive Medicine
  2. ***p < 0.05
  3. aAdjusted odds ratio toward ART without endometriosis
  4. bAdjusted odds ratio of rASRM stage IV toward rASRM stage I-III