Table 3.

Implantation rates in patients with a TI < 6 months or ≥ 6 months.^†

	<6 months			≥6 months			t/X2/Z	P value*
	G1	G3	Total	G1	G3	Total
Cycle (n)	90	83	173	18	19	37
Fetal sac (n)	72	58	130	9	8	17
Embryos tran- sferred (n)	157	145	302	28	33	61
Implantation rate (%)†	43.0 (130/302)			27.9 (17/61)			4.851	0.028*

TI = time interval.

^*P < .05.

^†Chi-squared test.