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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
Myo‐inositol vs an insulin‐sensitising agent (metformin)
Clinical pregnancy · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
OR 1.91 [0.81, 4.49]1 study · 120 participantsVery low
Myo‐inositol vs an insulin‐sensitising agent (metformin)
Ovulation · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
OR 1.86 [0.89, 3.87]1 study · 120 participantsVery low
Myo‐inositol vs placebo, no/standard treatment
Adverse event ‐ miscarriage · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
OR 0.4 [0.19, 0.86]4 studies · 535 participantsVery low
Myo‐inositol vs an ovulation induction agent (clomiphene)
Live birth · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
OR 1.27 [0.48, 3.4]1 study · 75 participantsVery low
Myo‐inositol vs an ovulation induction agent (clomiphene)
Adverse event ‐ miscarriage · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs an ovulation induction agent (clomiphene)
Adverse event ‐ multiple pregnancy · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
OR 0.21 [0.01, 4.43]1 study · 75 participantsVery low
Myo‐inositol vs an ovulation induction agent (clomiphene)
Clinical pregnancy · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs an ovulation induction agent (clomiphene)
Ovulation rate · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
OR 0.59 [0.2, 1.68]1 study · 75 participantsVery low
Myo‐inositol vs placebo, no/standard treatment
Adverse event ‐ multiple pregnancy · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
OR 1.04 [0.63, 1.71]2 studies · 425 participantsLow
Myo‐inositol vs placebo, no/standard treatment
Clinical pregnancy · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
OR 1.27 [0.87, 1.85]4 studies · 535 participantsVery low
Myo‐inositol vs placebo, no/standard treatment
Ovulation · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs antioxidant (melatonin)
Live birth · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs antioxidant (melatonin)
Adverse event ‐ miscarriage · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
OR 0.7 [0.22, 2.24]1 study · 358 participantsVery low
Myo‐inositol vs antioxidant (melatonin)
Adverse event ‐ multiple pregnancy · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
OR 0.95 [0.57, 1.59]1 study · 358 participantsVery low
Myo‐inositol vs antioxidant (melatonin)
Clinical pregnancy · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
OR 0.83 [0.53, 1.28]1 study · 358 participantsVery low
Transanal repair vs transvaginal repair
Outcomes ( · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
no estimate extractedNRNo studies
Biological graft vs native tissue repair
Awareness of prolapse (subjective failure) (16‐24 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 1.09 [0.45, 2.62]2 studies · 181 participantsModerate
Biological graft vs native tissue repair
Repeat surgery for any prolapse (24 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 0.6 [0.18, 1.97]2 studies · 271 participantsLow
Biological graft vs native tissue repair
Recurrent posterior vaginal wall prolapse (objective failure) (16‐24 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 0.55 [0.3, 1.01]3 studies · 377 participantsLow
Biological graft vs native tissue repair
Postoperative obstructed defecation (16‐24 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 0.96 [0.5, 1.86]2 studies · 172 participantsModerate
Biological graft vs native tissue repair
Postoperative dyspareunia (16‐24 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 1.26 [0.59, 2.68]2 studies · 152 participantsLow
Biological graft vs native tissue repair
Postoperative complications (including wound infection) (16‐24 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 1.82 [1.22, 2.72]3 studies · 448 participantsModerate
Biological graft vs native tissue repair
Operating time (24 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
no estimate extracted1 study · 68 participantsLow
Transanal repair vs transvaginal repair
Awareness of prolapse (subjective failure) (12‐25 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 2.78 [1, 7.7]2 studies · 87 participantsLow
Transanal repair vs transvaginal repair
Repeat surgery for any prolapse (25 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 2.42 [0.75, 7.88]1 study · 57 participantsLow
Transanal repair vs transvaginal repair
Recurrent posterior vaginal wall prolapse (objective failure) (12‐25 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 4.12 [1.56, 10.88]2 studies · 87 participantsModerate
Transanal repair vs transvaginal repair
Postoperative obstructed defecation (6‐25 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 1.67 [1, 2.79]3 studies · 113 participantsLow
Transanal repair vs transvaginal repair
Postoperative dyspareunia (12‐25 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 0.32 [0.09, 1.15]2 studies · 80 participantsLow
Transanal repair vs transvaginal repair
Postoperative complications (6‐25 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
RR 3.57 [0.94, 13.54]3 studies · 135 participantsLow
Transanal repair vs transvaginal repair
Operating time (12‐50 months) · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
no estimate extracted3 studies · 137 participantsVery low
Biological graft vs native tissue repair
Outcomes ( · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
no estimate extractedNRNo studies
Pelvic floor muscle training before and after prolapse surgery vs no training
Objective failure at any site: at 12 to 24 months · women undergoing pelvic organ prolapse surgery
Perioperative interventions in pelvic organ prolapse surgery (2018) · Cochrane
OR 0.93 [0.56, 1.54]2 studies · 327 participantsModerate
Pelvic floor muscle training before and after prolapse surgery vs no training
Subjective awareness of prolapse: Pelvic organ prolapse Symptom score (POP‐SS) at 12 months · women undergoing pelvic organ prolapse surgery
Perioperative interventions in pelvic organ prolapse surgery (2018) · Cochrane
no estimate extracted1 study · 48 participantsLow
Pelvic floor muscle training before and after prolapse surgery vs no training
Subjective awareness of prolapse: feeling of bulge at 24 months · women undergoing pelvic organ prolapse surgery
Perioperative interventions in pelvic organ prolapse surgery (2018) · Cochrane
OR 1.07 [0.61, 1.87]1 study · 305 participantsLow
Pelvic floor muscle training before and after prolapse surgery vs no training
Intraoperative blood loss · women undergoing pelvic organ prolapse surgery
Perioperative interventions in pelvic organ prolapse surgery (2018) · Cochrane
no estimate extractedNRNo studies
Pelvic floor muscle training before and after prolapse surgery vs no training
Intraoperative ureteral injury · women undergoing pelvic organ prolapse surgery
Perioperative interventions in pelvic organ prolapse surgery (2018) · Cochrane
no estimate extractedNRNo studies
Pelvic floor muscle training before and after prolapse surgery vs no training
Postoperative urinary tract infection · women undergoing pelvic organ prolapse surgery
Perioperative interventions in pelvic organ prolapse surgery (2018) · Cochrane
no estimate extractedNRNo studies
Pelvic floor muscle training before and after prolapse surgery vs no training
Repeat surgery (or pessary) for recurrent prolapse · women undergoing pelvic organ prolapse surgery
Perioperative interventions in pelvic organ prolapse surgery (2018) · Cochrane
OR 1.92 [0.74, 5.02]1 study · 316 participantsLow
POP surgery with concomitant continence procedure vs no concomitant continence procedure
Vaginal POP surgery with vs without MUS · women with POP and SUI
Surgery for women with pelvic organ prolapse with or without stress urinary incontinence (2018) · Cochrane
RR 0.3 [0.19, 0.48]2 studies · 319 participantsModerate
POP surgery with concomitant continence procedure vs no concomitant continence procedure
Vaginal POP surgery with vs without MUS · women with POP and SUI
Surgery for women with pelvic organ prolapse with or without stress urinary incontinence (2018) · Cochrane
RR 0.04 [0, 0.74]1 study · 134 participantsModerate
POP surgery with concomitant continence procedure vs no concomitant continence procedure
Vaginal POP surgery with concomitant vs delayed continence surgery: additional concomitant MUS vs delayed MUS · women with POP and SUI
Surgery for women with pelvic organ prolapse with or without stress urinary incontinence (2018) · Cochrane
RR 0.41 [0.12, 1.37]1 study · 140 participantsModerate
POP surgery with concomitant continence procedure vs no concomitant continence procedure
Abdominal POP surgery with vs without concomitant continence surgery: additional Burch colposuspension vs sacrocolpopexy alone: 1‐year FU · women with POP and SUI
Surgery for women with pelvic organ prolapse with or without stress urinary incontinence (2018) · Cochrane
RR 1.38 [0.74, 2.6]1 study · 47 participantsModerate
Vaginal POP surgery with concomitant continence procedure vs no concomitant continence procedure
Vaginal POP surgery with or without concomitant continence surgery: additional MUS vs vaginal repair alone · women with POP and occult SUI
Surgery for women with pelvic organ prolapse with or without stress urinary incontinence (2018) · Cochrane
RR 0.38 [0.26, 0.55]5 studies · 369 participantsModerate
Vaginal or abdominal POP surgery with concomitant continence procedure vs no concomitant continence procedure
Vaginal POP surgery with or without concomitant continence surgery: additional MUS vs vaginal repair alone · continent women with POP
Surgery for women with pelvic organ prolapse with or without stress urinary incontinence (2018) · Cochrane
RR 0.69 [0.47, 1]1 study · 220 participantsModerate
Vaginal or abdominal POP surgery with concomitant continence procedure vs no concomitant continence procedure
Abdominal POP surgery with or without concomitant continence surgery: additional Burch colposuspension vs sacrocolpopexy alone · continent women with POP
Surgery for women with pelvic organ prolapse with or without stress urinary incontinence (2018) · Cochrane
RR 1.31 [0.19, 9.01]2 studies · 379 participantsLow
Vaginal POP surgery with armed mesh vs anterior native tissue repair
One type of POP surgery vs another: armed anterior mesh vs anterior native tissue repair · continent women with POP
Surgery for women with pelvic organ prolapse with or without stress urinary incontinence (2018) · Cochrane
RR 1.58 [1.05, 2.37]7 studies · 905 participantsLow
GnRHa treatment vs placebo or no pretreatment (preoperative outcomes)
Uterine volume (mL) (preoperative) · women with uterine fibroids
Preoperative medical therapy before surgery for uterine fibroids (2017) · Cochrane
no estimate extracted13 studies · 858 participantsLow
GnRHa treatment vs no pretreatment or placebo before myomectomy (operative and postoperative outcomes
Duration of surgery (minutes) · women with uterine fibroids
Preoperative medical therapy before surgery for uterine fibroids (2017) · Cochrane
no estimate extracted6 studies · 443 participantsVery low
GnRHa treatment vs no pretreatment or placebo before myomectomy (operative and postoperative outcomes
Intraoperative blood loss (mL) · women with uterine fibroids
Preoperative medical therapy before surgery for uterine fibroids (2017) · Cochrane
no estimate extracted10 studies · 549 participantsVery low
GnRHa treatment vs no pretreatment or placebo before myomectomy (operative and postoperative outcomes
Blood transfusions · women with uterine fibroids
Preoperative medical therapy before surgery for uterine fibroids (2017) · Cochrane
OR 0.85 [0.26, 2.75]4 studies · 121 participantsLow