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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
GnRH analogues vs placebo or no treatment
Postoperative amenorrhoea at 12 months or less · women with heavy menstrual bleeding
Pre‐operative endometrial thinning agents before endometrial destruction for heavy menstrual bleeding (2013) · Cochrane
RR 1.58 [1.24, 2.01]605 participantsVery low
GnRH analogues vs danazol
Postoperative amenorrhoea at 12 months or less · women with heavy menstrual bleeding
Pre‐operative endometrial thinning agents before endometrial destruction for heavy menstrual bleeding (2013) · Cochrane
RR 1.17 [0.9, 1.52]340 participantsVery low
GnRH analogues vs progestogens
Postoperative amenorrhoea at 12 months or less · women with heavy menstrual bleeding
Pre‐operative endometrial thinning agents before endometrial destruction for heavy menstrual bleeding (2013) · Cochrane
RR 1.58 [0.96, 2.61]146 participantsVery low
GnRH analogue vs GnRH antagonist
Postoperative amenorrhoea at 12 months or less · women with heavy menstrual bleeding
Pre‐operative endometrial thinning agents before endometrial destruction for heavy menstrual bleeding (2013) · Cochrane
RR 0.95 [0.79, 1.14]100 participantsModerate
GnRH analogue vs dilatation & curettage
Postoperative amenorrhoea at 12 months or less · women with heavy menstrual bleeding
Pre‐operative endometrial thinning agents before endometrial destruction for heavy menstrual bleeding (2013) · Cochrane
RR 20.12 [1.21, 333.63]92 participantsVery low
Danazol vs no pretreatment
Postoperative amenorrhoea at 12 months or less · women with heavy menstrual bleeding
Pre‐operative endometrial thinning agents before endometrial destruction for heavy menstrual bleeding (2013) · Cochrane
RR 1.05 [0.8, 1.39]179 participantsLow
Progestogens vs no pretreatment
Postoperative amenorrhoea at 12 months or less · women with heavy menstrual bleeding
Pre‐operative endometrial thinning agents before endometrial destruction for heavy menstrual bleeding (2013) · Cochrane
RR 0.54 [0.26, 1.12]50 participantsLow
Danazol vs progestogens
Postoperative amenorrhoea at 12 months or less · women with heavy menstrual bleeding
Pre‐operative endometrial thinning agents before endometrial destruction for heavy menstrual bleeding (2013) · Cochrane
RR 1.89 [1.12, 3.18]103 participantsLow
GnRHa or danazol vs no pretreatment
Postoperative amenorrhoea at 12 months or less · women with heavy menstrual bleeding
Pre‐operative endometrial thinning agents before endometrial destruction for heavy menstrual bleeding (2013) · Cochrane
RR 1.13 [0.89, 1.43]280 participantsLow
Natural cycle IVF vs standard IVF
Live birth per woman · Subfertile couples
Natural cycle in vitro fertilisation (IVF) for subfertile couples (2013) · Cochrane
OR 0.68 [0.46, 1.01]2 studies · 425 participantsModerate
Natural cycle IVF vs standard IVF
OHSS per woman · Subfertile couples
Natural cycle in vitro fertilisation (IVF) for subfertile couples (2013) · Cochrane
OR 0.19 [0.01, 4.06]1 study · 60 participantsVery low
Natural cycle IVF vs standard IVF
Clinical pregnancy per woman · Subfertile couples
Natural cycle in vitro fertilisation (IVF) for subfertile couples (2013) · Cochrane
OR 0.52 [0.17, 1.61]4 studies · 351 participantsLow
Natural cycle IVF vs standard IVF
Ongoing pregnancy per woman · Subfertile couples
Natural cycle in vitro fertilisation (IVF) for subfertile couples (2013) · Cochrane
OR 0.72 [0.5, 1.05]3 studies · 485 participantsModerate
Natural cycle IVF vs standard IVF
Multiple pregnancy per woman · Subfertile couples
Natural cycle in vitro fertilisation (IVF) for subfertile couples (2013) · Cochrane
OR 0.76 [0.25, 2.31]2 studies · 527 participantsVery low
Progestagen vs placebo
AFS score · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
no estimate extracted1 study · 33 participantsLow
Depot progestagen vs other treatment
Side effects ‐ breakthrough bleeding/spotting · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 20.56 [6.44, 65.56]2 studies · 354 participantsLow
Depot progestagen vs other treatment
Side effects ‐ bloating · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 4.39 [1.71, 11.3]1 study · 80 participantsVery low
Depot progestagen vs other treatment
Side effects ‐ injection site reaction · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 20.64 [1.19, 358.23]1 study · 274 participantsLow
Oral progestagens vs other treatment
Patient assessed efficacy ‐ pain · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
no estimate extracted2 studies · 286 participantsModerate
Oral progestagens vs other treatment
Objective efficacy at end of · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
no estimate extracted2 studies · 302 participantsModerate
Oral progestagens vs other treatment
Side effects ‐ headache · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 0.58 [0.38, 0.87]3 studies · 613 participantsModerate
Oral progestagens vs other treatment
Side effects ‐ hot flushes · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 0.49 [0.31, 0.76]3 studies · 613 participantsLow
Oral progestagens vs other treatment
Side effects ‐ genital bleeding · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 4.69 [2.47, 8.9]1 study · 271 participantsLow
Oral progestagens vs other treatment
Side effects ‐ amenorrhoea · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 4.95 [2.88, 8.52]1 study · 252 participantsVery low
Oral progestagens vs other treatment
Sleep disorder · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 0.19 [0.04, 0.9]1 study · 252 participantsVery low
Progestagen vs placebo
Patient assessed efficacy, sum of all symptoms · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
no estimate extracted1 study · 33 participantsLow
Anti‐progestagen vs other treatment
Patient assessed efficacy none or mild painful periods (dysmenorrhoea) · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 1.03 [0.55, 1.93]2 studies · 176 participantsLow
Anti‐progestagen vs other treatment
Objective assessment of efficacy at end of treatment (6 months) ‐ rAFS scores · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
no estimate extracted1 study · 16 participantsVery low
Anti‐progestagen vs other treatment
Patient assessed efficacy painful periods visual analogue scale · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
no estimate extracted1 study · 55 participantsModerate
Anti‐progestagen vs other treatment
Side effects ‐ seborrhoea · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 2.74 [1.69, 4.46]3 studies · 357 participantsLow
Anti‐progestagen vs other treatment
Side effects ‐ hirsutism · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 2.63 [1.6, 4.32]2 studies · 302 participantsVery low
Anti‐progestagen vs other treatment
Side effects ‐ hot flushes · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 0.65 [0.42, 0.99]3 studies · 357 participantsVery low
Anti‐progestagen vs other treatment
Side effects ‐ amenorrhoea · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 0.04 [0.01, 0.38]1 study · 49 participantsLow
Progestagen vs placebo
Patient assessed efficacy, sum of all symptoms · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
no estimate extracted1 study · 29 participantsLow
Progestagen vs placebo
Side effects ‐ acne · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 9.6 [1, 91.96]1 study · 33 participantsVery low
Progestagen vs placebo
Side effects ‐ oedema · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 35.2 [3.6, 344.19]1 study · 33 participantsVery low
Depot progestagen vs other treatment
Improvement in dysmenorrhoea · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 0.19 [0.05, 0.69]1 study · 274 participantsLow
Depot progestagen vs other treatment
Improvement in dysmenorrhoea · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 0.63 [0.37, 1.08]1 study · 274 participantsLow
Depot progestagen vs other treatment
Side effects ‐ hot flushes · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 0.3 [0.11, 0.83]2 studies · 354 participantsLow
Depot progestagen vs other treatment
Side effects ‐ amenorrhoea · patients with pain associated with endometriosis
Progestagens and anti‐progestagens for pain associated with endometriosis (2012) · Cochrane
OR 21.18 [1.18, 380.9]1 study · 80 participantsVery low
Intervention NR
Prevalence of stress urinary incontinence within 2 years post surgery [ · Women requiring hysterectomy for benign conditions
Total versus subtotal hysterectomy for benign gynaecological conditions (2012) · Cochrane
OR 1.45 [0.85, 2.47]955 participantsModerate
Intervention NR
Prevalence of constipation within 2 years post surgery [ · Women requiring hysterectomy for benign conditions
Total versus subtotal hysterectomy for benign gynaecological conditions (2012) · Cochrane
OR 0.8 [0.49, 1.31]555 participantsLow
Intervention NR
Satisfaction with sex within 2 years post surgery [ · Women requiring hysterectomy for benign conditions
Total versus subtotal hysterectomy for benign gynaecological conditions (2012) · Cochrane
OR 1.04 [0.68, 1.59]454 participantsLow
SERMS vs no treatment
Percent change from baseline in leiomyoma size · patients with uterine leiomyomas
Selective estrogen receptor modulators (SERMs) for uterine leiomyomas (2012) · Cochrane
no estimate extracted1 study · 23 participantsVery low
SERMS (raloxifene 60mg) vs placebo
Size (cm3) of leiomyoma · patients with uterine leiomyomas
Selective estrogen receptor modulators (SERMs) for uterine leiomyomas (2012) · Cochrane
no estimate extracted1 study · 58 participantsLow
SERMS (raloxifene 60mg) vs placebo
Size (cm3) of leiomyoma · patients with uterine leiomyomas
Selective estrogen receptor modulators (SERMs) for uterine leiomyomas (2012) · Cochrane
no estimate extracted1 study · 58 participantsLow
SERMS (raloxifene 60mg) vs placebo
Percent change from baseline in leiomyoma size in GHRH‐analogue treated women · patients with uterine leiomyomas
Selective estrogen receptor modulators (SERMs) for uterine leiomyomas (2012) · Cochrane
no estimate extracted1 study · 91 participantsLow
SERMS (raloxifene 180 mg) vs placebo
Size (cm3) of leiomyoma · patients with uterine leiomyomas
Selective estrogen receptor modulators (SERMs) for uterine leiomyomas (2012) · Cochrane
no estimate extracted1 study · 60 participantsLow
SERMS (raloxifene 180 mg) vs placebo
Size (cm3) of leiomyoma · patients with uterine leiomyomas
Selective estrogen receptor modulators (SERMs) for uterine leiomyomas (2012) · Cochrane
no estimate extracted1 study · 59 participantsLow
Black cohosh vs placebo
Vasomotor symptoms: daily hot flush frequency · patients with menopausal symptoms
Black cohosh (Cimicifuga spp.) for menopausal symptoms (2012) · Cochrane
no estimate extracted3 studies · 393 participantsModerate