Table 2.

Serum progesterone concentration at day 15 after oocyte retrieval (pregnancy test day).

		Whole population N=99	Miscarriage N=18	Ongoing pregnancy N=81	p-value
Serum progesterone concentration (ng/ml)	Median (min; max)	41.34 (8.30; 290.56)	18.09 (8.30; 140.90)	55.90 (11.60; 290.6)	0.002
	< 11	2 (2.02)	2 (11.11)	0 (0.00)	<0.001
	[11-16.5[	13 (13.13)	7 (38.89)	6 (7.41)	<0.001 <0.001
	≥ 16.5	84 (84.85)	9 (50.00)	75 (92.59)
	< 16.5	15 (15.15)	9 (50.00)	6 (7.41)
	≥ 16.5	84 (84.85)	9 (50.00)	75 (92.59)	<0.001

Significant p value are written in bold.