Table 1.

Biological markers of oxidative stress in PCOS

Markers	Sample types	Changes	References
8-OHdG	Follicular fluid	↑	[12]
TOS	Follicular fluid, Serum	↑	[16, 17]
OSI	Serum	↑	[17]
H2O2	Serum	↑	[18]
SOA	Serum	↑	[18]
GSSG	Serum	↑	[18]
MDA	Follicular fluid, Serum	↑	[13, 15, 17–20]
PC	Serum	↑	[21]
HCY	Serum	↑	[22]
ADMA	Serum	↑	[22]
XO	Serum	↑	[23]
NO	Serum	→	[22, 23]
AGEs	-	↑	[25]

Note “↑” indicates an increase. “↓” indicates a decrease. “→” indicates no change