The review found no eligible studies for this question.
Metformin showed no clear difference in adverse events ‐ Severe compared with metformin combined with oral contraceptive pill (OCP) (low certainty).
The review found no eligible studies for this question.
Metabolomics showed no clear difference in live birth rate (Delivery of a live fetus after 20 completed weeks… compared with non metabolomics (low certainty).
Metabolomics showed no clear difference in live birth rate or ongoing pregnancy (Delivery of a live fetus after… compared with non metabolomics (low certainty).
Metabolomics showed no clear difference in miscarriage (Loss of pregnancy before 20 completed weeks of gestation) compared with non metabolomics (low certainty).
Metabolomics showed no clear difference in clinical pregnancy (Presence of a fetal heart on ultrasound scan at… compared with non metabolomics (low certainty).
Metabolomics may leads to higher cancellation (Exclusion of a patient after recruitment) compared with non metabolomics (low certainty).
Metabolomics showed no clear difference in multiple pregnancy (presence of more than 1 gestational sac) compared with non metabolomics (low certainty).
It is very uncertain whether metabolomics changes ectopic pregnancy (a pregnancy in which the fetus develops outside… compared with non metabolomics (very low certainty).
It is very uncertain whether summary of findings table ‐ Metformin changes hysterectomy rate compared with megestrol (very low certainty).
It is very uncertain whether summary of findings table ‐ Metformin changes abnormal uterine bleeding compared with megestrol (very low certainty).
The review found no eligible studies for this question.
The review found no eligible studies for this question.
The LNG‐IUS with endometrial surveillance showed no clear difference in fibroids compared with endometrial surveillance alone (moderate certainty).
The LNG‐IUS with endometrial surveillance probably leads to higher abnormal vaginal bleeding or spotting compared with endometrial surveillance alone (moderate certainty).
The LNG‐IUS with endometrial surveillance showed no clear difference in breast cancer recurrence compared with endometrial surveillance alone (moderate certainty).
The LNG‐IUS with endometrial surveillance showed no clear difference in breast cancer‐related death compared with endometrial surveillance alone (moderate certainty).