Table 1 Example search strategy for Embase

#1

‘exosome’/exp

#2

‘exosome’:ab,ti

#3

#1 OR #2

#4

‘fertility’/exp

#5

‘fertility’:ab,ti

#6

‘nidation’/exp

#7

‘nidation’:ab,ti

#8

‘embryo implantation’:ab,ti

#9

‘oocyte’/exp

#10

‘oocyte’:ti,ab

#11

‘fetus maturity’/exp

#12

‘fetus maturity’:ti,ab

#13

‘germ cell’/exp

#14

‘germ cell’:ti,ab

#15

‘maturation’/exp

#16

‘maturation’:ti,ab

#17

‘growth’/exp

#18

‘growth’:ab,ti

#19

#15 OR #16 OR #17 OR #18

#20

#13 OR #14

#21

#19 AND #20

#22

#4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #21

#23

#3 AND #22

#24

‘aging’/exp

#25

aging:ab,ti

#26

#24 OR #25

#27

#23 AND #26