| E2 | P4 | T | β-hCG |
---|---|---|---|---|
Endometrial cycle phase | Â | Â | Â | Â |
 Mid secretive | −0.17 (0.48) | 0.10 (0.69) | 0.04 (0.87) | n.d. |
Intrauterine pregnancy | Â | Â | Â | Â |
 Early | −0.01 (0.99) | 0.48 (0.10) | −0.29 (0.34) | −0.06 (0.85) |
 Post-term delivery | 0.25 (0.52) | 0.13 (0.73) | −0.25 (0.52) | −0.23 (0.52) |
Ectopic pregnancy | Â | Â | Â | Â |
 Before surgery | 1.00 (<0.001) | −0.13 (0.57) | −0.30 (0.19) | −0.04 (0.87) |
 After surgery | −0.48 (0.03) | −0.11 (0.65) | −0.44 (0.05) | 0.09 (0.71) |