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| Methods | 2‐arm active‐controlled randomised trial. |
| Participants | 156 women were randomised in a hospital setting. Inclusion and exclusion criteria not specified. |
| Interventions | Micronized vaginal progesterone versus oral dydrogesterone (doses and duration not specified). |
| Outcomes | Outcomes not specified. |
| Notes | Evidence of trial documentation and data requested from the corresponding author, but no response was received by the time of publication of this review. |
