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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

2,653 questions in 194 reviews · Gynaecology and Fertility

current versions
No studies 531 · 20%Ungraded 76 · 2.9%Very low 826 · 31.1%Low 855 · 32.2%Moderate 341 · 12.9%High 24 · 0.9%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Transvaginal permanent mesh vs native tissue repair
Awareness of prolapse (0.5 to 7 years) · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 0.83 [0.73, 0.95]17 studies · 2932 participantsModerate
Transvaginal biological graft vs native tissue repair
Surgery for recurrent prolapse (1 to 2 years) · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.15 [0.75, 1.77]6 studies · 899 participantsModerate
Transvaginal biological graft vs native tissue repair
Recurrent prolapse on examination · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 0.96 [0.71, 1.29]9 studies · 1278 participantsLow
Transvaginal biological graft vs native tissue repair
Visceral injury · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 0.34 [0.04, 3.26]2 studies · 254 participantsLow
Transvaginal biological graft vs native tissue repair
Bladder function · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 12.64 [1.6, 100.06]2 studies · 143 participantsVery low
Transvaginal biological graft vs native tissue repair
Painful intercourse ‐ de novo dyspareunia · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.3 [0.46, 3.66]2 studies · 125 participantsModerate
Transvaginal biological graft vs native tissue repair
Quality of life · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
no estimate extracted3 studies · 112 participantsVery low
Transvaginal permanent mesh vs native tissue repair
Repeat surgery (0.5 to 7 years) · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.56 [1.07, 2.26]27 studies · 3916 participantsLow
Transvaginal permanent mesh vs native tissue repair
Recurrent prolapse on examination (any compartment) · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 0.42 [0.32, 0.55]25 studies · 3680 participantsVery low
Transvaginal permanent mesh vs native tissue repair
Visceral injury · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 3.67 [1.63, 8.28]14 studies · 1997 participantsLow
Transvaginal permanent mesh vs native tissue repair
Mesh exposure · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 11.1 [6.81, 18.1]26 studies · 2980 participantsModerate
Transvaginal permanent mesh vs native tissue repair
Bladder function · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.5 [1.19, 1.88]17 studies · 2001 participantsModerate
Transvaginal permanent mesh vs native tissue repair
Painful intercourse ‐ de novo dyspareunia · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.22 [0.83, 1.79]16 studies · 1308 participantsModerate
Transvaginal permanent mesh vs native tissue repair
Quality of life · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
no estimate extracted9 studies · 1365 participantsVery low
Transvaginal biological graft vs native tissue repair
Awareness of prolapse (1 to 3 years) · vaginal prolapse
Transvaginal mesh or grafts or native tissue repair for vaginal prolapse (2024) · Cochrane
RR 1.06 [0.73, 1.56]8 studies · 1374 participantsModerate
Summary of findings table ‐ Metformin vs megestrol
Regression of endometrial hyperplasia (with or without atypia) to proliferative, secretory, or atrophic endometrium · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 4.89 [1.56, 15.32]2 studies · 83 participantsVery low
Summary of findings table ‐ Metformin + megestrol vs megestrol
Progression of endometrial hyperplasia to endometrial cancer · endometrial hyerplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 7.96 [0.16, 402.02]3 studies · 156 participantsVery low
Summary of findings table ‐ Metformin + megestrol vs megestrol
Hysterectomy rate · endometrial hyerplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 7.39 [0.15, 372.38]2 studies · 72 participantsVery low
Summary of findings table ‐ Metformin + megestrol vs megestrol
Abnormal uterine bleeding ‐ not measured · endometrial hyerplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Metformin + megestrol vs megestrol
Health‐related quality of life (HRQoL) ‐ not measured · endometrial hyerplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Metformin + megestrol vs megestrol
Adverse effects during treatment · endometrial hyerplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
no estimate extracted1 study · 8 participantsVery low
Summary of findings table ‐ Metformin + levonorgestrel (intrauterine system) vs levonorgestrel intrauterine system
Regression of endometrial hyperplasia (with or without atypia) to proliferative, secretory, or atrophic endometrium · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 3.42 [0.13, 88.4]1 study · 46 participantsVery low
Summary of findings table ‐ Metformin + levonorgestrel (intrauterine system) vs levonorgestrel intrauterine system
Recurrence of endometrial hyperplasia ‐ not reported · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Metformin + levonorgestrel (intrauterine system) vs levonorgestrel intrauterine system
Progression of endometrial hyperplasia to endometrial cancer · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
no estimate extracted1 study · 1 participantsVery low
Summary of findings table ‐ Metformin + levonorgestrel (intrauterine system) vs levonorgestrel intrauterine system
Hysterectomy rate · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 0.12 [0.01, 1.95]1 study · 46 participantsVery low
Summary of findings table ‐ Metformin + levonorgestrel (intrauterine system) vs levonorgestrel intrauterine system
Abnormal uterine bleeding · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 0.61 [0.16, 2.27]1 study · 49 participantsVery low
Summary of findings table ‐ Metformin vs megestrol
Recurrence of endometrial hyperplasia ‐ not reported · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Summary of findings table ‐ Metformin + levonorgestrel (intrauterine system) vs levonorgestrel intrauterine system
Adverse effects during treatment ‐ all effects · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 4 [1.15, 13.9]1 study · 51 participantsVery low
Summary of findings table ‐ Metformin + levonorgestrel (intrauterine system) vs levonorgestrel intrauterine system
Adverse effects during treatment ‐ nausea · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 5.11 [1.21, 21.68]1 study · 51 participantsVery low
Summary of findings table ‐ Metformin + levonorgestrel (intrauterine system) vs levonorgestrel intrauterine system
Adverse effects during treatment ‐ heaviness in lower abdomen · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 1.38 [0.32, 5.85]1 study · 51 participantsVery low
Summary of findings table ‐ Metformin + levonorgestrel (intrauterine system) vs levonorgestrel intrauterine system
Adverse effects during treatment ‐ pain in abdomen · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 0.83 [0.22, 3.18]1 study · 51 participantsVery low
Summary of findings table ‐ Metformin vs megestrol
Progression of endometrial hyperplasia to endometrial cancer · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
no estimate extracted2 studies · 2 participantsVery low
Summary of findings table ‐ Metformin vs megestrol
Hysterectomy rate · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 0.91 [0.05, 15.52]2 studies · 85 participantsVery low
Summary of findings table ‐ Metformin vs megestrol
Abnormal uterine bleeding · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 0.91 [0.05, 15.52]1 study · 44 participantsVery low
Summary of findings table ‐ Metformin vs megestrol
Health‐related quality of life (HRQoL) ‐ not measured · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Metformin vs megestrol
Adverse effects during treatment ‐ not reported · endometrial hyperplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Metformin + megestrol vs megestrol
Regression of endometrial hyperplasia (with or without atypia) to proliferative, secretory, or atrophic endometrium · endometrial hyerplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
OR 3.27 [1.65, 6.51]4 studies · 258 participantsLow
Summary of findings table ‐ Metformin + megestrol vs megestrol
Recurrence of endometrial hyperplasia · endometrial hyerplasia
Metformin for endometrial hyperplasia (2024) · Cochrane
no estimate extracted1 study · 8 participantsVery low
ORT‐based algorithm vs standard starting dose of FSH
Live birth or ongoing pregnancy · women undergoing IVF/ICSI
Individualised gonadotropin dose selection using markers of ovarian reserve for women undergoing in vitro… (2024) · Cochrane
OR 1.12 [0.98, 1.29]7 studies · 4400 participantsLow
Anticipated normal responders: higher vs lower dose of FSH
IU vs 150 IU · women undergoing IVF/ICSI who are anticipated to have a normal response to stimulation based on at least one ORT measure
Individualised gonadotropin dose selection using markers of ovarian reserve for women undergoing in vitro… (2024) · Cochrane
no estimate extracted1 study · 37 participantsUngraded
Anticipated high responders: higher vs lower dose of FSH
IU vs 100 IU · women undergoing IVF/ICSI who are anticipated to have a hyper‐response to stimulation based on at least one ORT measure
Individualised gonadotropin dose selection using markers of ovarian reserve for women undergoing in vitro… (2024) · Cochrane
OR 0.98 [0.66, 1.46]1 study · 521 participantsLow
ORT‐based algorithm vs standard starting dose of FSH
OHSS · women undergoing IVF/ICSI
Individualised gonadotropin dose selection using markers of ovarian reserve for women undergoing in vitro… (2024) · Cochrane
OR 0.74 [0.42, 1.28]5 studies · 2724 participantsLow
ORT‐based algorithm vs standard starting dose of FSH
Clinical pregnancy · women undergoing IVF/ICSI
Individualised gonadotropin dose selection using markers of ovarian reserve for women undergoing in vitro… (2024) · Cochrane
OR 1.04 [0.91, 1.18]7 studies · 4400 participantsLow
Anticipated low responders: higher vs lower dose of FSH
300/450 IU vs 150 IU · women undergoing IVF/ICSI who are anticipated to have a low response to stimulation based on one or more ORT measure
Individualised gonadotropin dose selection using markers of ovarian reserve for women undergoing in vitro… (2024) · Cochrane
OR 1.2 [0.78, 1.86]3 studies · 538 participantsLow
Anticipated low responders: higher vs lower dose of FSH
400/450 IU vs 300 IU · women undergoing IVF/ICSI who are anticipated to have a low response to stimulation based on one or more ORT measure
Individualised gonadotropin dose selection using markers of ovarian reserve for women undergoing in vitro… (2024) · Cochrane
OR 0.77 [0.19, 3.19]1 study · 62 participantsLow
Anticipated low responders: higher vs lower dose of FSH
IU vs 450 IU · women undergoing IVF/ICSI who are anticipated to have a low response to stimulation based on one or more ORT measure
Individualised gonadotropin dose selection using markers of ovarian reserve for women undergoing in vitro… (2024) · Cochrane
OR 1.33 [0.71, 2.52]1 study · 356 participantsLow
Anticipated normal responders: higher vs lower dose of FSH
IU vs 100 IU · women undergoing IVF/ICSI who are anticipated to have a normal response to stimulation based on at least one ORT measure
Individualised gonadotropin dose selection using markers of ovarian reserve for women undergoing in vitro… (2024) · Cochrane
OR 0.88 [0.57, 1.36]2 studies · 522 participantsLow
Anticipated normal responders: higher vs lower dose of FSH
225/200 IU vs 150 IU · women undergoing IVF/ICSI who are anticipated to have a normal response to stimulation based on at least one ORT measure
Individualised gonadotropin dose selection using markers of ovarian reserve for women undergoing in vitro… (2024) · Cochrane
OR 0.98 [0.7, 1.36]2 studies · 686 participantsLow
Anticipated normal responders: higher vs lower dose of FSH
IU vs 225 IU · women undergoing IVF/ICSI who are anticipated to have a normal response to stimulation based on at least one ORT measure
Individualised gonadotropin dose selection using markers of ovarian reserve for women undergoing in vitro… (2024) · Cochrane
OR 0.65 [0.32, 1.32]1 study · 135 participantsLow
Intrauterine injection of autologous platelet‐rich plasma vs no intervention
Live birth (or ongoing pregnancy) · women undergoing assisted reproduction
Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane
OR 1.1 [0.38, 3.14]1 study · 94 participantsVery low