Beyond IUI, IVF and ICSI - New developments in - eshre 2013

Partial data
Reason n
No post‐pregnancy blood sample drawn 19
Diet was not started 11
Diet shorter than 9 weeks 10
No ovulation tests applied 6
Total (23 girls, 23 boys) 46
Prediction rule
Data from first 28 births was used to derive
a prediction rule:
T1: Last intercourse 3 days before ovulation
D1: Na 2 + 20Ca 1 – 10Ca 2 163 mM
D2: Ca 2 Ca 1 Na 1 –Na 2 ‐10Ca 1 +10Ca 2 4 mM
Reference
group
Validation
group
Total research
group
Validation of prediction rule
Prediction rule
satisfied
91%
10♀, 1♂
n = 11
Prediction rule
not satisfied
Total without
prediction rule
50%
14♀, 14♂
n = 28
n = 11
24%
4♀, 13♂
n = 17 n = 28
79%
26♀, 7♂
n = 33
82%
36♀, 8♂
n = 44
40%
19♀, 28♂
n = 47
36%
23♀, 41♂
n = 64
56%
45♀, 36♂
n = 80
55%
59♀, 49♂
n = 108
Page 113 of 127