Expectant management (n=213) Embryo reduction (n=311) Unadjusted odds ratio (95% CI) (Reference: embryo reduction)
p-value
Adjusted odds ratio (95% CI)
p-valueb
Nonviable fetal loss <23 week* 2 (0.9) 20 (6.4) 0.14 (0.03-0.60) 0.008 0.08 (0.01-0.65) 0.017
Pregnancies with
No survivors* 5 (2.3) 24 (7.7)
One survivor* 2 (0.9) 29 (9.3)
Two survivors* 12 (5.6) 258 (83.0)
Three survivors* 194 (91.1)
At least one survivor* 208 (97.7) 287 (92.3) 3.48 (1.31-9.27) 0.013 4.54 (1.31-15.70) 0.017
Delivery outcomes ≥ 23 week (N=211) (N=291)
GA at delivery (week)† a 33.8 ± 2.6 35.7 ± 2.4
Preterm birth
23-27+6 week* 11 (5.2) 4 (1.4) 3.95 (1.24-12.57) 0.020 3.52 (1.02-12.17) 0.047
23-31+6 week* 35 (16.6) 19 (6.5) 2.85 (1.58-5.14) 0.001 2.88 (1.51-5.48) 0.001
23-33+6 week* 70 (33.2) 44 (15.1) 2.79 (1.81-4.29) <0.001 2.43 (1.51-3.91) <0.001
23-35+6 week* 199 (94.3) 94 (32.3) 34.75 (18.47-65.41) <0.001 33.26 (17.14-64.54) <0.001
Pregnancies with
Preeclampsia* 27 (12.8) 16 (5.5) 2.52 (1.32-4.81) 0.005 3.14 (1.56-6.31) 0.001
Gestational diabetes* 12 (5.7) 10 (3.4) 1.69 (0.72-4.00) NS 1.74 (0.66-4.54) NS
Postpartum hemorrhage* 5 (2.4) 15 (5.2) 0.45 (0.16-1.25) NS 0.56 (1.19-1.64) NS