Table 1.

Search strategy for the PubMed database.

#1 motherwort [Title/Abstract]
#2 leonurus [Title/Abstract]
#3 herba leonuri [Title/Abstract]
#4 Leonurus japonicus Houtt [Title/Abstract]
#5 leonurine [Title/Abstract]
#6 #1 OR #2 OR #3 OR #4 OR #5
#7 abortion [Title/Abstract]
#8 miscarry [Title/Abstract]
#9 termination of pregnancy [Title/Abstract]
#10 #7 OR #8 OR #9
#11 hemorrhage [Title/Abstract] #12 bleeding [Title/Abstract]
#13 blood loss [Title/Abstract]
#14 anemia [Title/Abstract]
#15 haemorrhagia [Title/Abstract]
#16 #11 OR #12 OR #13 OR #14 OR #15
#17 randomly [Title/Abstract]
#18 randomized [Title/Abstract]
#19 RCT [Title/Abstract]
#20 #17 OR #18 OR #19
#21 #6 AND #10 AND #16 AND #20

RCT = randomized controlled trial.