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Table 3 Infant outcome in pregnancies with donated oocytes versus individually matched pregnancies with autologous oocytes

From: Obstetric outcome in donor oocyte pregnancies: a matched-pair analysis

  All pregnancies Singletons Twins
  DO AO P DO AO P DO AO P
Live births 262 262   148 148   114 114  
Gestational age          
 Mean gestational age 37.29 37.34 0.82 38.72 38.74 0.94 35.40 35.49 0.50
 (SD) (3.1) (2.9) (n = 259) (2.3) (2.0) (n = 147) (2.9) (2.8) (n = 112)
 < 37 weeks of gestation 95/262 82/259 <0.001 21/148 18/147 <0.001 74/114 64/112 <0.001
 (%) (36.3) (31.7)   (14.2) (12.2)   (64.9) (57.1)  
 < 34 weeks of gestation 16/237 20/237 0.60 4/145 4/145 1 12/92 16/92 0.54
 (%) (6.8) (8.4)   (2.8) (2.8)   (13.0) (17.4)  
Birth weight          
 Mean birth weight 2832.9 2805.3 0.56 3211.3 3183.4 0.67 2321.2 2294.1 0.70
 (SD) (709.9) (711.1) (n = 254) (593.5) (583.4) (n = 146) (504.7) (524.9) (n = 108)
 Birth weight 87/256 77/260 0.28 13/147 14/147 0.83 74/109 63/113 0.11
 < 2500 g (%) (34) (29.6)   (8.8) (9.5)   (67.9) (55.8)  
 Birth weight 7/256 11/260 0.48 3/147 2/147 1 4/109 9/109 0.27
 < 1500 g (%) (2.7) (4.2)   (2) (1.4)   (3.7) (8)  
Mean birth length 48.1 48.1 1 49.7 49.6 0.81 45.7 45.8 0.795
(SD) (3.6) (3.5) (n = 233) (2.9) (2.9) (n = 138) (3.2) (3.0) (n = 95)
Mean head circumference 33.6 33.4 0.31 34.2 34.2 0.95 32.7 32.1 0.10
(SD) (2.3) (2.2) (n = 186) (2.2) (2.0) (n = 113) (2.1) (2.0) (n = 73)
APGAR scores          
1 minute APGAR scores          
 Less than 4 3/224 5/233 0.73 2/132 1/133 1.00 1/92 4/100 0.63
  (1.3) (2.1) (n = 201) (1.5) (0.8) (n = 120) (1.1) (4.0) (n = 40)
 Less than 7 30/224 26/233 0.46 19/132 10/133 0.076 11/92 16/100 0.34
  (13.4) (11.2) (n = 201) (14.4) (7.5) (n = 120) (12.0) (16.0) (n = 40)
5 minute APGAR scores          
 Less than 4 0/224 1/230 1.00 0/132 0/131 NA 0/92 1/99 1.00
  (0) (0.4) (n = 201) (0) (0)   (0) (1.0) (n = 41)
 Less than 7 4/224 4/230 1.00 3/132 1/131 0.63 1/92 3/99 1.00
  (1.8) (1.7) (n = 201) (2.3) (0.8) (n = 118) (1.1) (3.0) (n = 41)
10 minute APGAR scores          
 Less than 4 0/217 0/194 NA 0/131 0/118 NA 0/86 0/76 NA
  (0) (0)   (0) (0)   (0) (0)  
 Less than 7 0/217 2/194 0.50 0/131 1/118 1.00 0/86 1/75 1.00
  (0) (1.0) (n = 163) (0) (0.8) (n = 105) (0) (1.3) (n = 29)
  1. Paired t tests for continuous variables and McNemar test for categorical variables.
  2. DO: Donated oocyte; AO: Autologeous oocyte.
  3. Categorical variables are presented as numerator and denominator values (%), and continuous variables as mean (SD, standard deviation) for each group of interest.
  4. NA, not applicable.