It is very uncertain whether IUI in stimulated cycles changes miscarriage rate per couple compared with IUI (very low certainty).
IUI in a stimulated cycle showed no clear difference in miscarriage rate per couple compared with IUI (low certainty).
IUI in a natural cycle showed no clear difference in miscarriage rate per couple compared with TI or expectant management (low certainty).
IUI in stimulated cycles showed no clear difference in miscarriage rate per couple compared with TI (low certainty).
IUI in a stimulated cycle showed no clear difference in miscarriage rate per couple compared with TI or expectant management (low certainty).
IUI in a natural cycle showed no clear difference in miscarriage rater per couple compared with TI or expectant management (low certainty).
Aromatase inhibitors showed no clear difference in miscarriage rate per couple compared with anti‐oestrogens (low certainty).
It is very uncertain whether gonadotropins with GnRH agonists changes miscarriage rate per couple compared with gonadotropins alone (very low certainty).
Gonadotropins with GnRH antagonist showed no clear difference in miscarriage rate per couple compared with gonadotropins alone (low certainty).
Aromatase inhibitors may leads to lower miscarriage rate per couple compared with gonadotropins (low certainty).
It is very uncertain whether aromatase inhibitors with gonadotropins changes miscarriage rate per couple compared with anti‐oestrogens with gonadotropins (very low certainty).
Gonadotropins showed no clear difference in miscarriage rate per couple compared with anti‐oestrogens (low certainty).