#	Query	Results
S63	S50 AND S62	46
S62	S51 OR S52 OR S53 OR S54 OR S55 OR S56 OR S57 OR S58 OR S59 OR S60 OR S61	973,529
S61	TX allocat* random*	4,373
S60	(MH "Quantitative Studies")	13,575
S59	(MH "Placebos")	9,311
S58	TX placebo*	34,242
S57	TX random* allocat*	4,373
S56	(MH "Random Assignment")	39,396
S55	TX randomi* control* trial*	89,855
S54	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*) )	777,926
S53	TX clinic* n1 trial*	173,348
S52	PT Clinical trial	78,187
S51	(MH "Clinical Trials+")	189,346
S50	S26 AND S49	125
S49	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 OR S44 OR S45 OR S46 OR S47 OR S48	6,349
S48	TX intra‐uterine insemination	10
S47	TX natural cycle*	119
S46	TX timed intercourse	22
S45	TX (ovari* N2 induction)	12
S44	TX COH	68
S43	TX ovarian hyperstimulation	345
S42	TX superovulat*	24
S41	TX ovulation induc*	588
S40	TX intrauterine insemination	152
S39	TX IUI	83
S38	TX artificial insemination	459
S37	TX assisted reproduct*	1,331
S36	(MM "Insemination, Artificial")	244
S35	(MM "Reproduction Techniques+")	4,061
S34	TX intracytoplasmic sperm injection*	246
S33	TX embryo* N3 transfer*	809
S32	TX ovar* N3 hyperstimulat*	348
S31	TX ovari* N3 stimulat*	253
S30	TX IVF or TX ICSI	1,289
S29	(MM "Fertilization in Vitro")	1,487
S28	TX vitro fertilization	2,919
S27	TX vitro fertilisation	276
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	106,012
S25	TX Nutraceutical*	738
S24	TX micronutrient*	3,381
S23	TX nutritional supplement*	1,710
S22	TX dietary supplement*	28,026
S21	TX melatonin	1,919
S20	TX n acetyl cysteine	203
S19	TX l‐arginine	938
S18	TX (fish N2 oil*)	2,915
S17	(MH "Acetylcysteine")	1,042
S16	TX n‐acetylcysteine	691
S15	TX ascorbic acid	4,277
S14	TX multivitamin*	946
S13	TX(astaxanthin* or lycopene*)	850
S12	TX (carnitine* or carotenoid*)	2,960
S11	(MM "Carnitine")	494
S10	TX coenzyme q10	415
S9	TX (ubiquin* or folic acid)	6,007
S8	TX (zinc or selenium)	6,881
S7	TX omega$	7,321
S6	TX fatty acid*	17,157
S5	(MH "Fatty Acids, Omega 3") OR (MH "Fatty Acids, Unsaturated+")	17,162
S4	TX vitamin*	35,451
S3	(MH "Vitamins+")	34,733
S2	TX antioxidant*	16,804
S1	(MM "Antioxidants+")	6,858