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Table 4 Odds ratios of adverse birth outcomes after diagnostic laparoscopy before pregnancy

From: Appendectomy, cholecystectomy and diagnostic laparoscopy conducted before pregnancy and risk of adverse birth outcomes: a nationwide registry-based prevalence study 1996–2015

Outcome

Months from diagnostic laparoscopy to LMP

Diagnostic laparoscopy 0–11 months before LMP

Diagnostic laparoscopy 12–23 months before LMP

 

0–11

12–23

24+

 

N (%)

N (%)

N (%)

cOR (95% CI)

aOR* (95% CI)

cOR (95% CI)

aOR* (95% CI)

SGA

166/4199 (4.0)

81/2848 (2.8)

313/12283 (2.5)

1.6 (1.3;1.9)

1.6 (1.3;1.9)

1.1 (0.9;1.4)

1.1 (0.9;1.4)

Preterm

 Early preterm

50/4199 (1.2)

42/2848 (1.5)

112/12283 (0.9)

1.3 (0.9;1.8)

1.2 (0.9;1.7)

1.6 (1.1;2.3)

1.6 (1.1;2.2)

 Late preterm

249/4199 (5.9)

142/2848 (5.0)

593/12283 (4.8)

1.2 (1.1;1.4)

1.2 (1.0;1.4)

1.0 (0.9;1.2)

1.0 (0.8;1.2)

Miscarriage

281/4199 (6.7)

209/2848 (7.3)

875/12283 (7.1)

0.9 (0.8;1.1)

1.0 (0.9;1.2)

1.0 (0.9;1.2)

1.1 (1.0;1.3)

  1. *Adjusted for smoking status and maternal age, miscarriage only adjusted for maternal age
  2. Legend: Prevalence, crude and adjusted odds ratios (cOR/aOR) of small for gestational age (SGA), early preterm birth, late preterm birth and miscarriage in pregnancies with diagnostic laparoscopy before pregnancy