Search terms	Results
1	exp Risk Factors/or risk factor*.mp.	1,151,716
2	(anemia or anaemia).mp.	350,639
3	exp anemia/	371,296
4	blood loss*.mp. or exp postoperative hemorrhage/or exp operative blood loss/	107,186
5	h?emorrhage.mp. or exp bleeding/	920,230
6	exp Blood Loss, Surgical/	15,478
7	Hemoglobin drop	718
8	exp bleeding/or bleed*.mp.	951,769
9	postoperative complications.mp. or exp postoperative complication/	644,999
10	exp laparoscopic surgery/or exp laparoscopy/or laparoscop*.mp.	207,978
11	exp minimally invasive surgery/or exp minimally invasive procedure/or minimally invasive procedure*.mp.	50,149
12	myomectomy.mp. or exp myomectomy/	7281
13	Or/2-9	1,876,860
14	10 and 12	3117
15	11 and 12	423
16	14 or 15	3248
17	1 and 13 and 16	96