TABLE 4.

Comparisons of pregnancy outcomes between patients with T levels ≤ and > the inflection point at the three time points.

	T0			T1			T2
Testosterone (ng/ml)	≤0.45	>0.45	P	≤0.94	>0.94	P	≤1.09	>1.09	P
N	1,809	1,195		2,761	251		2,704	308
No. of oocytes retrieved	8.22 ± 4.97	8.87 ± 5.15	<0.001	8.17 ± 4.92	11.96 ± 5.08	<0.001	8.06 ± 4.87	12.21 ± 5.04	<0.001
No. of MII oocytes	7.04 ± 4.71	7.65 ± 4.87	<0.001	7.00 ± 4.64	10.39 ± 5.10	<0.001	6.90 ± 4.58	10.61 ± 5.12	<0.001
No. of two-pronuclear zygotes	6.35 ± 4.65	6.88 ± 4.81	<0.001	6.31 ± 4.58	9.36 ± 5.26	<0.001	6.23 ± 4.52	9.50 ± 5.36	<0.001
No. of cleavage-stage embryos	6.31 ± 4.66	6.86 ± 4.82	<0.001	6.27 ± 4.60	9.36 ± 5.25	<0.001	6.19 ± 4.53	9.49 ± 5.36	<0.001
No. of TQE on the 3rd day	0.81 ± 1.27	0.84 ± 1.23	0.463	0.80 ± 1.24	1.10 ± 1.37	<0.001	0.77 ± 1.22	1.25 ± 1.50	<0.001
No. of blastocyst-stage embryos	1.66 ± 2.54	1.95 ± 2.68	<0.001	1.65 ± 2.50	3.12 ± 3.22	<0.001	1.61 ± 2.45	3.21 ± 3.31	<0.001

T, testosterone, MII, metaphase II; TQE, top-quality embryo.

T0: T levels at baseline, T1: T levels on the trigger day, and T2: T levels on the day after the trigger day.