[Retracted] Effects of Pelvic Floor Muscle Massage on the Pregnancy Outcome of Frozen Embryo Transfer in Patients with Thin Endometrium

Table 2

Comparison of subendometrial blood flow type and blood flow index in the two groups.

Index	Control group ()	Research group ()	Statistic value	value
Menstrual 10 d			0.137	0.711
III + II	36	34
I	24	26
Menstrual 17 d			1.725	0.001
III + II	37	56
I	23	4