| Methods |
2‐arm placebo‐controlled randomised trial. |
| Participants |
83 women were randomised in a hospital setting in Turkey. The population comprised women with threatened abortion and with presence singleton pregnancy and live embryo, before 9 weeks of gestation. Exclusion criteria comprised women with a non‐viable fetus, twin pregnancy, presence of subchorionic haematoma and history of hypertension, diabetes mellitus, severe hepatic disorders, uterine leiomyoma, congential uterine anomaly and recurrent pregnancy loss. |
| Interventions |
400 mg micronized oral progesterone daily for 4 weeks versus placebo. |
| Outcomes |
The study recorded the following outcomes relevant for this review: live birth and miscarriage. |
| 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. |
