Table 2.

The thickness of endometrium before treatment and 1 month, 2 months, and 3 months after treatment.

Thickness of endometrium (mm)	Before treatment	Treatment for 1 month	Treatment for 2 months	Treatment for 3 months
C group (n = 40)	13.54 ± 4.19	11.82 ± 3.11∗	8.99 ± 308	7.39 ± 2.25∗
R group (n = 40)	13.35 ± 4.12	9.69 ± 2.23∗	7.24 ± 2.02∗	5.11 ± 1.06∗
t value	0.204	3.520	3.004	5.798
P value	0.838	<0.01	0.004	<0.01

Note: ^∗ was indicated that the values of after 1 month, 2 months, and 3 months of treatment were compared with that before treatment, P < 0.05.