Levonorgestrel leads to lower observed number of pregnancies (all women) compared with yuzpe (high certainty).
Levonorgestrel leads to lower any side effect compared with yuzpe (high certainty).
Levonorgestrel probably leads to lower specific side effects ‐ Nausea compared with yuzpe (moderate certainty).
Levonorgestrel probably leads to lower specific side effects ‐ Vomiting compared with yuzpe (moderate certainty).
Levonorgestrel probably leads to higher specific side effects ‐ Spotting/bleeding after treatment compared with yuzpe (moderate certainty).
Levonorgestrel showed no clear difference in menses ‐ Early compared with yuzpe (low certainty).
Levonorgestrel showed no clear difference in menses ‐ Delay compared with yuzpe (low certainty).
Single‐dose levonorgestrel showed no clear difference in observed number of pregnancies (all women) compared with split‐dose levonorgestrel (moderate certainty).
The review found no eligible studies for this question.
Single‐dose levonorgestrel showed no clear difference in specific side effects ‐ nausea compared with split‐dose levonorgestrel (moderate certainty).
Single‐dose levonorgestrel showed no clear difference in specific side effects ‐ vomiting compared with split‐dose levonorgestrel (moderate certainty).
Single‐dose levonorgestrel showed no clear difference in specific side effects ‐ spotting/bleeding after treatment compared with split‐dose levonorgestrel (moderate certainty).
Single‐dose levonorgestrel leads to lower menses ‐ early compared with split‐dose levonorgestrel (high certainty).
Single‐dose levonorgestrel showed no clear difference in menses ‐ delay compared with split‐dose levonorgestrel (low certainty).
It is very uncertain whether summary of findings table ‐ Metformin + levonorgestrel (intrauterine… changes regression of endometrial hyperplasia (with or without atypia) to… compared with levonorgestrel intrauterine system (very low certainty).
The review found no eligible studies for this question.
It is very uncertain whether summary of findings table ‐ Metformin + levonorgestrel (intrauterine… changes hysterectomy rate compared with levonorgestrel intrauterine system (very low certainty).
It is very uncertain whether summary of findings table ‐ Metformin + levonorgestrel (intrauterine… changes abnormal uterine bleeding compared with levonorgestrel intrauterine system (very low certainty).
It is very uncertain whether summary of findings table ‐ Metformin + levonorgestrel (intrauterine… changes adverse effects during treatment ‐ all effects compared with levonorgestrel intrauterine system (very low certainty).
The findings closest to your search, judged one by one by TypeSafe's Jev model.