Table 2.

Articles' levels of evidence using Oxford's level of evidence (n (%)).

Literatures	Level
	I	II	III	IV	V
Acupuncture for pain relief during delivery (n = 23)	0	20  (87)	1  (4.3)	2  (8.7)	0
Acupuncture for the process of labor (n = 11)	0	9 (81.8)	0	2 (18.2)	0
Acupuncture for disorders of postpartum period (n = 31)	0	9  (29)	2  (6.5)	20  (64.5)	0
Acupuncture for abortion (n = 3)	0	3  (100)	0	0	0
Total (n = 68)	0	41 (60.3)	3  (4.4)	24 (35.3)	0