Table 5.

Comparisons of clinical characteristics and hormone levels between pregnant group and non-pregnant group.

Groups	Age (year)	Endometrial thickness on the transformation day (mm)	Endometrial thickness on the embryo transfer day (mm)	Days of taking progynova	E2 level on the transformation day (pg/ml)	E2 level on the embryo transfer day (pg/ml)	P level on the embryo transfer day (ng/ml)	Number of high-quality blastocysts transferred
Clinical pregnant group	30.09 ± 3.29	9.943 ± 1.56	10.54 ± 1.73	13.80 ± 2.07	328.07 ± 398.31	341.53 ± 376.97	13.56 ± 6.68	1.87 ± 0.52
Non-pregnant group	31.03 ± 3.56	9.730 ± 1.27	10.38 ± 1.81	13.61 ± 1.81	393.94 ± 453.49	389.87 ± 460.04	14.38 ± 6.78	1.73 ± 0.43
F	2.668	0.942	0.554	1.306	1.036	0.743	0.554	10.423
P	0.008	0.346	0.579	0.192	0.300	0.458	0.579	0.001