Table 2.

Hormone serum concentrations at euthanasia (mean ± SD)

	+ Relaxin	Controls	p value
Relaxin (ng/ml)	0.71 ± 0.38	0.108 ± 0.109	0.000001
P4 (ng/ml)	0.79 ± 0.37	0.28 ± 0.22	0.000031
E2 (ng/ml)	0.23 ± 0.12	0.13 ± 0.52	0.0056