Table 4.

The frequency of use of Chinese herbal medicines for the treatment of POF.

Drug efficacy	Number	Percentage (%)	Chinese herbal medicines and frequency
Tonic drug	21	67.86	Rehmanniae radix praeparata 164, angelica 164, semen cuscutae 163, yam 109, Chinese wolfberry fruit 106, radix paeoniae alba 76, licorice 67, fructus ligustri lucidi 66, epimedium 87, eucommia ulmoides 54, dried human placenta 46, morinda officinalis 43, bighead atractylodes rhizome 38, antler gelatin 38, radix glehniae 13, fructus mori 13, donkey hide gelatin 11, amethyst 10, ginseng 10, radix pseudostellariae 9, ophiopogon japonicus 9
Drug for promoting blood circulation and removing stasis	11	11.77	Salvia miltiorrhiza 57, ligusticum wallichii 50, radix achyranthis bidentatae 28, radix cyathulae 24, safflower carthamus 24, spatholobus suberectus stem 23, motherwort 20, peach kernel 19, eupatorium 16, radix curcumae 10, motherwort fruit 10
Astringent drug	3	6.30	Cornus officinalis 110, raspberry 24, schisandra chinensis 17
Antipyretic drug	5	5.09	Moutan bark 39, phellodendron amurense 22, anemarrhena 21, rehmannia glutinosa 20, radix paeoniae rubra 20
Diuretic and hygroscopic drug	2	3.38	Poria cocos 67, alisma orientalis 14
Qi regulating drug	2	2.84	Rhizoma cyperi 48, dried tangerine peel 20
Drug for treating external syndromes	1	1.59	Bupleurum 38
Interior-warming drug	2	1.17	Cinnamomum cassia 17, radix aconiti carmichaeli 11