Table 3 Knowledge about Age-Related Changes in Fertility
Total (n = 169) | Undergraduates (n = 74) | Medical students (n = 95) | p value | |
|---|---|---|---|---|
Prior knowledge about egg freezing (%) | 0.032 | |||
None | 20 | 30 | 14 | |
Some knowledge | 64 | 59 | 68 | |
Moderate knowledge | 13 | 9 | 16 | |
Very knowledgeable | 1 | 0 | 2 | |
At what age does fertility significantly decrease? (%) | 0.001 | |||
Age 30–35 | 16 | 15 | 15 | |
Age 36–40 | 48 | 38 | 62 | |
Age 41–45 | 27 | 35 | 16 | |
Age 46–50 | 7 | 11 | 4 | |
What age is too old to have a child naturally? (%) | 0.018 | |||
Age 30–35 | 2 | 4 | 0 | |
Age 36–40 | 9 | 8 | 9 | |
Age 41–45 | 44 | 32 | 48 | |
Age 46–50 | 41 | 53 | 32 | |
Does the fact of increased miscarriage risk with age influence your decision to freeze eggs? (%) | 0.72 | |||
Yes | 50 | 51 | 48 | |
No | 50 | 49 | 51 | |
Does the increased risk of Down syndrome with age influence your decision to freeze eggs? (%) | 0.039 | |||
Yes | 54 | 47 | 59 | |
No | 45 | 51 | 35 | |
What is the minimum number of frozen eggs at age 30 likely to result in a live birth? (%) | 0.078 | |||
5–10 oocytes | 18 | 11 | 21 | |
11–20 oocytes | 38 | 34 | 40 | |
21–30 oocytes | 26 | 34 | 19 | |
31–40 oocytes | 8 | 9 | 7 | |
40+ oocytes | 6 | 7 | 5 | |
What is the minimum number of frozen eggs at age 40 likely to result in a live birth? (%) | 0.731 | |||
5–10 oocytes | 4 | 5 | 7 | |
11–20 oocytes | 12 | 9 | 13 | |
21–30 oocytes | 30 | 26 | 32 | |
31–40 oocytes | 25 | 27 | 22 | |
40+ oocytes | 25 | 26 | 25 | |