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Figure 6. Forest plot of comparison: | Antioxidant(s) versus placebo or no treatment/standard treatment, outcome: |.5 Clinical pregnancy; antioxidants vs placebo or no treatment/standard treatment (natural conceptions and undergoing fertility treatments).  Westphal 2006 was the only included trial reporting on clinical pregnancy where the women conceived naturally without ovula- tion induction, IVF/ICSI or laparoscopic ovarian drilling.

Figure 6 Forest plot of comparison: | Antioxidant(s) versus placebo or no treatment/standard treatment, outcome: |.5 Clinical pregnancy; antioxidants vs placebo or no treatment/standard treatment (natural conceptions and undergoing fertility treatments). Westphal 2006 was the only included trial reporting on clinical pregnancy where the women conceived naturally without ovula- tion induction, IVF/ICSI or laparoscopic ovarian drilling.