Table 1 MEDLINE search (OVID platform) performed on May 28, 2021

1.

exp Bariatric Surgery/

28385

2.

((bariatric or metabolic) adj3 (surger* or procedure?)).ti,ab.

20156

3.

(stomach adj3 stapl*).ti,ab.

66

4.

(restrictive adj3 surger*).ti,ab.

340

5.

(gastric adj3 surger*).ti,ab.

8965

6.

gastroplast*.ti,ab.

2113

7.

anti?obesity surger*.ti,ab.

22

8.

(antiobesity adj3 surger*).ti,ab.

30

9.

exp gastric bypass/

10504

10.

exp jejunoileal bypass/

600

11.

(jejuno?ileal adj3 bypass).ti,ab.

844

12.

(gastrointestinal adj3 (surg$ or diversion$)).ti,ab.

5658

13.

exp biliopancreatic diversion/

1044

14.

(bilio?pancreatic adj3 (diversion$ or bypass)).ti,ab.

1212

15.

gastric adj3 band$).ti,ab.

4038

16.

(silicon adj3 band$).ti,ab.

268

17.

exp gastroenterostomy/

13954

18.

gastrectomy.ti,ab.

30148

19.

((gastric or intestinal) adj3 bypass).ti,ab.

13029

20.

exp gastroplasty/

4410

21.

LAGB.ti,ab.

1173

22.

(lap adj3 band$).ti,ab.

280

23.

(malabsorptive adj3 (surger* or procedure?)).ti,ab.

333

24.

"Roux-en-Y".ti,ab.

1

25.

(duodenal adj3 switch$).ti,ab.

836

26.

1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19 or 20 or 21 or 22 or 23 or 24 or 25

75398

27.

Reproductive Techniques, Assisted/

9973

28.

(assisted reproduct*).ti,ab.

16222

29.

exp Fertilization in Vitro/

37070

30.

((in vitro adj2 fertili?ation) or IVF).ti,ab.

36848

31.

exp sperm injection, intracytoplasmic/

6984

32.

((intracytoplasmic sperm adj2 injection?) or ICSI).ti,ab.

11393

33.

exp embryo transfer/ (

16729

34.

(embryo adj2 transfer).ti,ab.

12445

35.

27 or 28 or 29 or 30 or 31 or 32 or 33 or 34

71108

36.

26 and 35

48

37.

limit 37 to yr="1978 -Current"

48