| Couples with RPL should be informed that smoking, alcohol consumption, obesity and excessive exercise could have a negative impact on their chances of a live birth, and therefore cessation of smoking, a normal body weight, limited alcohol consumption and a normal exercise pattern is recommended. | GPP |
| Sperm selection is not recommended as a treatment in couples with RPL. | GPP |
| Antioxidants for men have not been shown to improve the chance of a live birth (Showell et al., 2014). | Conditional ⊕○○○ |
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