Table 1. Progesterone ranges on days 6-7 and pregnancy ongoing/live birth rates.
Range PRG (ng/ml) ONG (positive) ONG (negative) % ONG p
A - 3.2 - 7 07 10 41,1
B - 7.1 - 10 19 19 50 a/b=0.5742
C - 10.1 - 20 15 47 25 b/c=0.0170
D - > 20 11 26 29.7 c/d=0.6452