Fig. 1

Network of the prescribed herbal medicines and pregnancy results. a JJT and BCB were the largest nodes, and they were the nodes most strongly linked with clinical pregnancy. b JJT and BCB were the largest nodes in the network of herbal medicines prescribed to participants who became pregnant. c BCB was the node most strongly linked with “ongoing pregnancy”. JJT: JogyeongJongokTang, AYT: AnjeonYicheonTang, BCB: BaeranChacksangBang, CDT: ChangbuDodamTang, GBT: GuiBiTang, YLZ: YukLinZu, TBS: TaesanBansucSan, GBH: GyejiBongnyeongHwan, Ongoing pregnancy: pregnancy maintained over 12 weeks, Early pregnancy loss: miscarriage before 12 weeks