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Table 4 Knowledge about fertility issuesa

From: Fertility awareness and attitudes towards parenthood among Danish university college students

Item Categories Men n (%) Women n (%) P
At what age are women the most fertile? 15–19 years 17 (23) 67 (15) 0.30
20–24 yearsa 38 (50) 262 (61)
25–29 years 20 (26) 94 (22)
30–44 years 1 (1) 7 (2)
Missing 3 8
At what age is there a slight decrease in women’s ability to become pregnant? 15–24 years 7 (9) 31 (7) 0.07
25–29 yearsa 23 (30) 191 (45)
30–34 years 34 (45) 134 (31)
35–59 years 12 (16) 72 (17)
Missing 3 10
At what age is there a marked decrease in women’s ability to become pregnant? 25–34 years 20 (26) 139 (33) 0.23
35–39 yearsa 22 (29) 134 (31)
40–44 years 20 (26) 108 (25)
45–49 years 14 (19) 45 (11)
Missing 3 12
If a young woman and man have unprotected intercourse at the time of ovulation - how large is the chance that she will become pregnant? 0–29% 18 (25) 61 (15) 0.06
30–39%a 8 (11) 29 (7)
40–49% 4 (5) 17 (4)
50–100% 43 (59) 310 (74)
Missing 6 21
If a woman and a man have regular unprotected intercourse during a period of 1 year:
 How large is the chance she will become pregnant if she is 25–30 years? 0–69% 35 (47) 182 (45) 0.06
70–79%a 21 (29) 74 (18)
80–89% 9 (12) 98 (24)
90–100% 9 (12) 53 (13)
Missing 5 31
 How large is the chance she will become pregnant if she is 35–40 years? 0–49% 59 (80) 290 (72) 0.047
50–59%a 8 (11) 57 (14)
60–69% 1 (1) 38 (10)
70–100% 6 (8) 17 (4)
Missing 5 36
How many couples are involuntarily infertile? 0–4% 1 (1) 6 (2) 0.21
5–9% 9 (12) 31 (8)
10–19%a 32 (43) 135 (34)
20–90% 33 (44) 226 (56)
Missing 4 40
What are the chances on average of achieving a child from IVF treatment? 0–19% 12 (16) 60 (16) 0.82
20–29%a 21 (29) 96 (25)
30–39% 11 (15) 52 (13)
40–100% 29 (40) 175 (46)
Missing 6 55
  1. aCategories marked with asterix contain the correct answer