Table 2.

Endometrial thickness and hemoglobin level in three groups of patients $\left(\overline{x}\pm s\right)$.

Group	N	Endometrial thickness (mm)				Hemoglobin level (g/l)
		Before the operation	Three months after the operation	Six months after the operation	12 months after the operation	Before the operation	Three months after the operation	Six months after the operation	12 months after the operation
C group	42	12.65 ± 2.17	4.67 ± 1.01	6.25 ± 1.57	10.21 ± 2.06	105.39 ± 10.67	112.25 ± 12.71	118.39 ± 11.67	122.25 ± 13.78
Oral group	114	12.43 ± 2.35	4.48 ± 1.13	6.15 ± 1.45	8.29 ± 2.24	103.95 ± 11.48	116.87 ± 13.28	122.39 ± 12.47	125.25 ± 12.86
Man Yuele group	156	12.58 ± 2.25	3.48 ± 1.07	5.15 ± 1.38	6.29 ± 1.87	104.55 ± 11.27	120.87 ± 12.76	128.39 ± 12.65	132.25 ± 13.51
t		0.205	37.095	20.126	73.128	0.264	8.353	14.167	14.194
P		0.815	<0.001	<0.001	<0.001	0.768	<0.001	<0.001	<0.001