Table 2 Neonatal outcomes of infants conceived through oocyte donation (Index group) or conceived spontaneously (Comparison group A)

Median (IQR)

Range

Median (IQR)

Range

Gestational length

40 (4)

28–42

40 (3)

28–43

Head circumference, cm

35 (3)

25–38

35 (2)

25–40

Birth Length, cm*

50 (3.5)

39–54

51 (3)

32–56

Birth Length term infants, cm

50 (4)

45–54

51 (3)

42–56

Birthweight, grams*

3238 (840)

1105–4910

3495 (693)

730–5800

Birthweight term infants, grams

3380 (795)

2284–4910

3512 (668)

2200–5800

n

%

n

%

Unadjusted OR (95 % CI)

Adjusted^a OR (95 % CI)

Perinatal death (<7 days after birth)

1/76

0/149

 No

68/72

94.4

134/139

96.4

1.58

1.37

 Yes

4/72

5.6

5/139

3.6

(0.41–6.06)

(0.23–8.14)

 ≥7

70/75

93.3

148/149

99.3

10.57

7.01

 <7

5/75

6.7

1/149

0.7

(1.21–92.20)

(0.40–123.43)

 ≥7

74/75

98.7

148/148

100.0

–

–

 <7

1/75

1.3

0

0.0

 No

70/76

92.1

145/149

97.3

3.11

2.49

 Yes

6/76

7.9

4/149

2.7

(0.85–11.37)

(0.52–12.00)

 No

63/76

82.9

137/149

91.9

2.36

2.24

 Yes

13/76

17.1

12/149

8.1

(1.02–5.45)

(0.87–5.81)

 No

74/75

98.7

145/149

97.3

0.49

0.32

 Yes

1/75

1.3

4/149

2.7

(0.05–4.46)

(0.03–3.46)

 No

69/75

92.0

146/149

98.0

4.23

3.39

 Yes

6/75

8.0

3/149

2.0

(1.03–17.42)

(0.59–19.69)

 <2500 gr

8/76

10.5

8/149

5.4

2.07

0.65

 ≥2500 gr

68/76

89.5

141/149

94.6

(0.75–5.76)

(0.10–4.30)

 No

74/76

97.4

146/149

98.0

1.32

1.62

 Yes

2/76

2.6

3/149

2.0

(0.22–8.05)

(0.23–11.68)

 No

73/76

96.1

145/149

97.3

1.49

1.74

 Yes

3/76

3.9

4/149

2.7

(0.33–6.83)

(0.25–12.03)

 Boy

39/76

51.3

71/149

47.7

0.86

0.85

 Girl

37/76

48.7

78/149

52.3

(0.50–1.50)

(0.45–1.60)

 0–2

41/68

60.3

102/139

72.3

1.72

1.13

 ≥3

27/68

39.7

39/139

27.7

(0.94–3.17)

(0.56–2.31)