#	Query	Results
S58	S45 AND S57	53
S57	S46 OR S47 OR S48 OR S49 OR S50 OR S51 OR S52 OR S53 OR S54 OR S55 OR S56	1,168,494
S56	TX allocat* random*	7,286
S55	(MH "Quantitative Studies")	16,546
S54	(MH "Placebos")	10,402
S53	TX placebo*	47,633
S52	TX random* allocat*	7,286
S51	(MH "Random Assignment")	44,289
S50	TX randomi* control* trial*	132,848
S49	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*) )	912,372
S48	TX clinic* n1 trial*	212,242
S47	PT Clinical trial	80,036
S46	(MH "Clinical Trials+")	222,921
S45	S26 AND S44	242
S44	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 OR S40 OR S41 OR S42 OR S43	1,023
S43	TX(seminal N3 priming)	2
S42	TX(ejaculat* N7 embryo*)	3
S41	TX (intercourse N7 embryo*)	1
S40	TX semen N5 injection*	3
S39	TX seminal plasma	91
S38	TX(semen N5 inseminat*)	20
S37	TX(semen N5 uter*)	3
S36	TX (semen N5 intrauter*)	9
S35	TX (semen N5 cervi*)	15
S34	TX (semen N5 intravagina*)	1
S33	TX (seminal N5 uter*)	4
S32	TX (seminal N5 intrauter*)	2
S31	TX (seminal N5 cervi*)	6
S30	TX (seminal N5 vagina*)	5
S29	TX (seminal N5 intravagina*)	2
S28	(MM "Spermatozoa")	656
S27	(MM "Semen")	310
S26	S1 OR S2 OR S3 OR S4 OR S5 OR S6 OR S7 OR S8 OR S9 OR S10 OR S11 OR 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	10,930
S25	TX intra‐uterine insemination	15
S24	TX coitus	2,005
S23	(MM "Coitus")	880
S22	TX natural cycle*	173
S21	TX expectant management	638
S20	TX timed intercourse	29
S19	TX oocyte* N2 pick up*	11
S18	TX embryo transfer or TX oocyte* retrieval$	1,146
S17	TX ovarian hyperstimulation	443
S16	TX superovulat*	27
S15	TX ovulation induc*	721
S14	TX intrauterine insemination	214
S13	TX IUI	143
S12	TX artificial insemination	525
S11	TX assisted reproduct*	1,940
S10	(MM "Insemination, Artificial")	267
S9	(MM "Reproduction Techniques+")	4,822
S8	TX intracytoplasmic sperm injection*	376
S7	TX embryo* N3 transfer*	1,115
S6	TX ovar* N3 hyperstimulat*	447
S5	TX ovari* N3 stimulat*	407
S4	TX IVF or TX ICSI	2,112
S3	(MM "Fertilization in Vitro")	1,763
S2	TX vitro fertilization	3,806
S1	TX vitro fertilisation	3,806