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Table 4 Respondents’ experiences with and perceptions of maternal age

From: Impact of egg donation deliveries from domestic and overseas sources on maternal care: a questionnaire survey of Japanese perinatal physicians

 

Lowest

Highest

Mean (±SD)

Mode

Up to 35 (%)

Up to 40 (%)

Up to 45 (%)

Up to 50 (%)

Over 50 (%)

Oldest maternal age at delivery (670)

36

60

45.3 (±2.9)

45

0

9 (1.3)

395 (59.0)

228 (34.0)

38 (5.7)

Upper age limit for safe delivery (628)

30

53

43.2 (±3.5)

45

22 (3.5)

189 (30.1)

337 (53.7)

79 (12.6)

1 (0.1)

Upper age limit for ovum recipients (343)

29

55

41.5 (±5.1)

45

64 (18.7)

100 (29.2)

126 (36.7)

33 (9.6)

20 (5.8)

Age at egg donation delivery (91)

26

58

44.6 (±7.0)

46

14 (15.4)

6 (6.6)

18 (19.8)

38 (41.8)

15 (16.4)

Age at egg donation delivery (advanced age/menopause) (53)

39

58

48.3 (±3.6)

47

0

2 (3.8)

9 (17.0)

29 (54.7)

13 (24.5)