Multiple pregnancy rate · infertile women with polycystic ovary syndrome
Letrozole with or without adjuncts showed no clear difference in multiple pregnancy rate compared with SERMs with or without adjuncts followed by timed intercourse (high certainty).
1 finding from 1 review
Live birth rate · infertile women with polycystic ovary syndrome
It is very uncertain whether letrozole changes live birth rate compared with laparoscopic ovarian drilling (very low certainty).
1 finding from 1 review
OHSS · infertile women with polycystic ovary syndrome
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Clinical pregnancy rate · infertile women with polycystic ovary syndrome
Letrozole showed no clear difference in clinical pregnancy rate compared with laparoscopic ovarian drilling (low 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
Live birth · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
Intentional endometrial injury showed no clear difference in live birth (primary analysis) compared with no intervention or a sham procedure (low certainty).
1 finding from 1 review
Intervention not reported
Live birth or ongoing pregnancy: early (EFP) vs late (LFP) follicular phase · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Intervention not reported
Clinical pregnancy: early (EFP) vs late (LFP) follicular phase (primary analysis) · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
1 finding from 1 review
no estimate extracted
Studies not reported
Low
Intervention not reported
Clinical pregnancy: early (EFP) vs late (LFP) follicular phase (sensitivity analysis) · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
It is very uncertain whether the intervention changes clinical pregnancy: early (EFP) vs late (LFP) follicular phase… (very low certainty).
1 finding from 1 review
Intervention not reported
Pain during the procedure (primary analysis) · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
1 finding from 1 review
no estimate extracted
Studies not reported
Low
Intervention not reported
Pain during the procedure (sensitivity analysis) · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
1 finding from 1 review
Live birth or ongoing pregnancy · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
It is very uncertain whether intentional endometrial injury changes live birth or ongoing pregnancy (sensitivity analysis) compared with no intervention or a sham procedure (very low certainty).
1 finding from 1 review
Clinical pregnancy · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
2 findings from 1 review
Pain during procedure ‐ not measured · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
1 finding from 1 review
Intervention not reported
Live birth or ongoing pregnancy: prior cycle vs IUI cycle · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Intervention not reported
Clinical pregnancy: prior cycle vs IUI cycle (primary analysis) · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
1 finding from 1 review
no estimate extracted
Studies not reported
Low
Intervention not reported
Clinical pregnancy: prior cycle vs IUI cycle (sensitivity analysis) · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
It is very uncertain whether the intervention changes clinical pregnancy: prior cycle vs IUI cycle (sensitivity analysis) (very low certainty).
1 finding from 1 review
Intervention not reported
Pain during the procedure · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Outcomes* · women trying to conceive by intrauterine insemination
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Clinical pregnancy rate · women with gonadotropin stimulation
Progesterone may leads to higher clinical pregnancy rate compared with placebo/no treatment (low certainty).
1 finding from 1 review