Miscarriage · infertile women with polycystic ovary syndrome
Letrozole with or without adjuncts showed no clear difference in miscarriage rate per pregnancy compared with SERMs with or without adjuncts followed by timed intercourse (high certainty).
1 finding from 1 review
Miscarriage · infertile women with polycystic ovary syndrome
Letrozole showed no clear difference in miscarriage rate per pregnancy compared with laparoscopic ovarian drilling (low certainty).
1 finding from 1 review
Miscarriage · women trying to conceive by intrauterine insemination
It is very uncertain whether hCG changes miscarriage rate per pregnancy compared with gnRH‐a (very low certainty).
1 finding from 1 review
Miscarriage · women trying to conceive by intrauterine insemination
It is very uncertain whether u‐hCG changes miscarriage rate per pregnancy compared with r‐hCG (very low certainty).
1 finding from 1 review
Miscarriage per clinical pregnancy · women with gonadotropin plus oral (clomiphene citrate or letrozole) stimulation
Progesterone showed no clear difference in miscarriage rate per clinical pregnancy compared with placebo/no treatment (low certainty).
1 finding from 1 review
Miscarriage per clinical pregnancy · women with oral (clomiphene citrate or letrozole) stimulation
Progesterone showed no clear difference in miscarriage rate per clinical pregnancy compared with placebo/no treatment (low certainty).
1 finding from 1 review
Miscarriage per clinical pregnancy · women trying to conceive by intrauterine insemination
It is very uncertain whether oral progesterone changes miscarriage rate per clinical pregnancy compared with vaginal progesterone (very low certainty).
1 finding from 1 review
Miscarriage per clinical pregnancy · women with gonadotropin stimulation
Progesterone showed no clear difference in miscarriage rate per clinical pregnancy compared with placebo/no treatment (low certainty).
1 finding from 1 review
Miscarriage · women trying to conceive by intrauterine insemination
It is very uncertain whether short interval changes miscarriage rate per pregnancy ‐ 24 hours versus 34 to 36 hours compared with long interval (very low certainty).
3 findings from 1 review
OR 1.58 [0.35, 7.16]
2 studies · 67 participants
Very low
OR 4 [0.27, 58.56]
1 study · 15 participants
Very low
OR 1.33 [0.07, 25.91]
1 study · 16 participants
Very low
Miscarriage per clinical pregnancy · women with anovulatory infertility undergoing ovulation induction with clomiphene citrate
Human chorionic gonadotrophin showed no clear difference in miscarriage rate per clinical pregnancy Spontaneous pregnancy loss… compared with no ovulation trigger (low certainty).
1 finding from 1 review
OR 1.19 [0.17, 8.23]
54 participants
Low