Miscarriage · women with polycystic ovary syndrome
Metformin showed no clear difference in miscarriage rate per woman compared with placebo or no treatment (low certainty).
Miscarriage · women with polycystic ovary syndrome
It is very uncertain whether metformin changes miscarriage rate per woman compared with clomiphene citrate (very low certainty).
1 finding from 1 review
Miscarriage · Women with polycystic ovary syndrome, oligo amenorrhoea and subfertility
Metformin showed no clear difference in miscarriage rate per woman compared with placebo or no treatment (low certainty).
1 finding from 1 review
Miscarriage rate per woman aParticipants with BMI < 30 kg/2 · women with polycystic ovary syndrome
Metformin showed no clear difference in miscarriage rate per woman aParticipants with BMI < 30 kg/2 compared with clomiphene citrate (low certainty).
1 finding from 1 review
Miscarriage rate per woman aParticipants with BMI ≥ 30 kg/m2 · women with polycystic ovary syndrome
Metformin showed no clear difference in miscarriage rate per woman aParticipants with BMI ≥ 30 kg/m2 compared with clomiphene citrate (low certainty).
1 finding from 1 review
Miscarriage · women with polycystic ovary syndrome
Metformin combined with clomiphene citrate showed no clear difference in miscarriage rate per woman compared with clomiphene citrate alone (low certainty).
Miscarriage · women with endometriosis
It is very uncertain whether pentoxifylline changes miscarriage rate compared with placebo (very low certainty).
1 finding from 1 review
Miscarriage · patients with endometriosis prior to standard IVF/ICSI
It is very uncertain whether long‐term GnRH agonist therapy changes miscarriage rate compared with no additional therapy (very low certainty).
1 finding from 1 review
Miscarriage · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
It is very uncertain whether natural cycle changes miscarriage rate compared with programmed cycle (very low certainty).
1 finding from 1 review
Miscarriage · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
Transdermal oestrogens showed no clear difference in miscarriage rate compared with oral oestrogens (low certainty).
1 finding from 1 review
Miscarriage · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
It is very uncertain whether starting administration of the progestogen earlier changes miscarriage Rate compared with starting administration of the progestogen later (very low certainty).
1 finding from 1 review
Miscarriage · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
It is very uncertain whether stimulated cycle changes miscarriage rate compared with programmed (very low certainty).
1 finding from 1 review
Miscarriage · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
GnRH agonists showed no clear difference in miscarriage rate compared with control (low certainty).
1 finding from 1 review
Miscarriage · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
It is very uncertain whether among different GnRH agonists changes miscarriage rate compared with placebo (very low certainty).
1 finding from 1 review
Miscarriage · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
GnRH agonists showed no clear difference in miscarriage rate compared with gnRH antagonists (low certainty).
1 finding from 1 review
Miscarriage · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Miscarriage · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
It is very uncertain whether steroids changes miscarriage rate compared with control (very low certainty).
1 finding from 1 review