#	Query	Results
S56	S41 AND S55	229
S55	S42 OR S43 or S44 or S45 OR S46 OR S47 OR S48 OR S49 OR S50 OR S51 OR S52 OR S53 OR S54	1,363,333
S54	TX allocat* random*	11,181
S53	(MH "Quantitative Studies")	23,926
S52	(MH "Placebos")	11,504
S51	TX placebo*	60,127
S50	TX random* allocat*	11,181
S49	(MH "Random Assignment")	56,448
S48	TX randomi* control* trial*	179,148
S47	TX ( (singl* n1 blind*) or (singl* n1 mask*) ) or TX ( (doubl* n1 blind*) or (doubl* n1 mask*) ) or TX ( (tripl* n1 blind*) or (tripl* n1 mask*) ) or TX ( (trebl* n1 blind*) or (trebl* n1 mask*) )	1,038,136
S46	TX ( (trebl* n1 blind*) or (trebl* n1 mask*) )	249
S45	TX ( (trebl* n1 blind*) or (trebl* n1 mask*) )	249
S44	TX clinic* n1 trial*	254,707
S43	PT Clinical trial	86,318
S42	(MH "Clinical Trials+")	270,305
S41	S11 AND S40	1,621
S40	S12 OR S13 OR S14 OR S15 OR S16 OR S17 OR S18 OR S19 OR S20 OR S21 OR S22 OR S23 OR S24 OR S25 OR S26 OR S27 OR S28 OR S29 OR S30 OR S31 OR S32 OR S33 OR S34 OR S35 OR S36 OR S37 OR S38 OR S39	120,857
S39	TX laparotomy	7,133
S38	TX (hyperosmolar glucose)	12
S37	TX embryocide*	1
S36	TX (conservative management)	4,101
S35	TX (conservative treatment)	6,871
S34	TX (open surg*)	9,564
S33	(MM "Laparotomy")	1,172
S32	TX sac aspiration	17
S31	TX Sodium Chloride	7,215
S30	TX Potassium Chloride	1,011
S29	TX Methotrexate	7,669
S28	TX (High‐intensity focused ultrasound)	574
S27	TX (Dilatation and Curettage)	814
S26	TX (uterine artery emboli?ation)	994
S25	TX hysterectom*	10,490
S24	TX (hysteroscop* or laparoscop*)	34,538
S23	TX medical therap*	19,973
S22	TX medical treatment	22,335
S21	TX (wait N1 see)	475
S20	TX expectant management	949
S19	(MM "Sodium Chloride")	1,358
S18	(MM "Potassium Chloride")	145
S17	(MM "Methotrexate")	2,319
S16	(MM "Dilatation and Curettage")	367
S15	(MH "Uterine Artery Embolization")	516
S14	(MM "Hysterectomy") OR (MM "Hysterectomy, Vaginal")	3,852
S13	(MM "Laparoscopy") OR (MM "Surgery, Laparoscopic")	14,762
S12	(MM "Hysteroscopy")	959
S11	S1 OR S2 OR S3 OR S4 OR S5 OR S6 OR S7 OR S8 OR S9 OR S10	4,582
S10	TX (cesarean scar N3 pregnanc*)	297
S9	TX (ovar* N3 pregnanc*)	452
S8	TX (cervi* N3 pregnanc*)	723
S7	TX (interstitial N3 pregnanc*)	158
S6	TX (extrauterine N3 pregnanc*)	52
S5	TX (abdomin* N3 pregnanc*)	441
S4	TX (ectopic pregnanc*)	3,190
S3	TX (heterotopic N3 pregnanc*)	172
S2	TX (cornual N3 pregnanc*)	99
S1	(MM "Pregnancy, Ectopic") OR (MM "Pregnancy, Heterotopic")	1,909