Fig. 2From: Safety classification of herbal medicines used among pregnant women in Asian countries: a systematic reviewFrequency of herbal medicines used in pregnancy according to their safety classification. a Herbal medicines in this section are classified as safe to use in pregnancy. b Herbal medicines in this section should not be used without consulting a qualified health care practitioner. c Information on safety for herbal medicines in this section is not available in current literature. d Herbal medicines in this section can be harmful to mother or fetus. Note: Number of herbal medicine users for each type is given in percentage out of total number of usersBack to article page