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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
Pentoxifylline vs placebo
Clinical pregnancy rate · women with endometriosis
Pentoxifylline for the treatment of endometriosis‐associated pain and infertility (2021) · Cochrane
RR 1.38 [0.91, 2.1]3 studies · 285 participantsVery low
Pentoxifylline vs placebo
Miscarriage rate · women with endometriosis
Pentoxifylline for the treatment of endometriosis‐associated pain and infertility (2021) · Cochrane
Peto OR 1.99 [0.2, 19.37]2 studies · 164 participantsVery low
Pentoxifylline vs placebo
Recurrence rate of endometriosis · women with endometriosis
Pentoxifylline for the treatment of endometriosis‐associated pain and infertility (2021) · Cochrane
RR 0.84 [0.3, 2.36]1 study · 121 participantsVery low
Pentoxifylline vs placebo
Adverse events · women with endometriosis
Pentoxifylline for the treatment of endometriosis‐associated pain and infertility (2021) · Cochrane
no estimate extractedNRNo studies
Pentoxifylline vs no treatment
Live birth rate · women with endometriosis
Pentoxifylline for the treatment of endometriosis‐associated pain and infertility (2021) · Cochrane
no estimate extractedNRNo studies
Pentoxifylline vs no treatment
Overall pain ‐ 1 month · women with endometriosis
Pentoxifylline for the treatment of endometriosis‐associated pain and infertility (2021) · Cochrane
no estimate extracted1 study · 34 participantsVery low
Pentoxifylline vs no treatment
Overall pain ‐ 2 months · women with endometriosis
Pentoxifylline for the treatment of endometriosis‐associated pain and infertility (2021) · Cochrane
no estimate extracted1 study · 34 participantsVery low
Preconception lifestyle advice on a combination of topics vs routine care or attention control
Live birth · people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
RR 0.93 [0.79, 1.1]1 study · 626 participantsLow
Preconception lifestyle advice on weight vs routine care or attention control
Adverse events ‐ Hypertension · women with infertility and obesity
Preconception lifestyle advice for people with infertility (2021) · Cochrane
RR 1.07 [0.66, 1.75]1 study · 317 participantsVery low
Preconception lifestyle advice on weight vs routine care or attention control
Adverse events ‐ Gestational diabetes · women with infertility and obesity
Preconception lifestyle advice for people with infertility (2021) · Cochrane
RR 0.78 [0.48, 1.26]1 study · 317 participantsVery low
Preconception lifestyle advice on weight vs routine care or attention control
Miscarriage · women with infertility and obesity
Preconception lifestyle advice for people with infertility (2021) · Cochrane
RR 1.5 [0.95, 2.37]1 study · 577 participantsVery low
Preconception lifestyle advice on weight vs routine care or attention control
Reported behavioural changes in weight: BMI (measured at 6 months) · women with infertility and obesity
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extracted1 study · 574 participantsLow
Preconception lifestyle advice on weight vs routine care or attention control
Reported behavioural changes in weight: percentage of weight loss (measured at 6 months) · women with infertility and obesity
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extracted2 studies · 380 participantsVery low
Preconception lifestyle advice on weight vs routine care or attention control
Reported behavioural changes in diet: vegetable intake · women with infertility and obesity
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extracted1 study · 250 participantsVery low
Preconception lifestyle advice on weight vs routine care or attention control
Reported behavioural changes in diet: fruit intake · women with infertility and obesity
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extracted1 study · 258 participantsVery low
Preconception lifestyle advice on weight vs routine care or attention control
Reported behavioural changes in alcohol intake · women with infertility and obesity
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extracted1 study · 239 participantsVery low
Preconception lifestyle advice on weight vs routine care or attention control
Reported behavioural changes in physical activity · women with infertility and obesity
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extracted1 study · 254 participantsVery low
Preconception lifestyle advice on alcohol intake vs routine care or attention control
Live birth · women with infertility and at‐risk drinking
Preconception lifestyle advice for people with infertility (2021) · Cochrane
RR 1.15 [0.53, 2.5]1 study · 37 participantsVery low
Preconception lifestyle advice on a combination of topics vs routine care or attention control
Adverse events · people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extractedNRNo studies
Preconception lifestyle advice on alcohol intake vs routine care or attention control
Adverse events · women with infertility and at‐risk drinking
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extractedNRNo studies
Preconception lifestyle advice on alcohol intake vs routine care or attention control
Miscarriage · women with infertility and at‐risk drinking
Preconception lifestyle advice for people with infertility (2021) · Cochrane
RR 1.31 [0.21, 8.34]1 study · 37 participantsVery low
Preconception lifestyle advice on alcohol intake vs routine care or attention control
Reported behavioural changes · women with infertility and at‐risk drinking
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extractedNRNo studies
Preconception lifestyle advice on smoking vs routine care or attention control
Live birth or ongoing pregnancy · smoking people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extractedNRNo studies
Preconception lifestyle advice on smoking vs routine care or attention control
Adverse events · smoking people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extractedNRNo studies
Preconception lifestyle advice on smoking vs routine care or attention control
Miscarriage · smoking people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extractedNRNo studies
Preconception lifestyle advice on smoking vs routine care or attention control
Reported behavioural changes: smoking · smoking people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extractedNRNo studies
Preconception lifestyle advice on a combination of topics vs routine care or attention control
Miscarriage · people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extractedNRNo studies
Preconception lifestyle advice on a combination of topics vs routine care or attention control
Reported behavioural changes in weight: BMI (measured "at study end" ‐ 3 months) · people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extracted1 study · 180 participantsVery low
Preconception lifestyle advice on a combination of topics vs routine care or attention control
Reported behavioural changes in diet: vegetable intake · people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
no estimate extracted1 study · 264 participantsVery low
Preconception lifestyle advice on a combination of topics vs routine care or attention control
Reported behavioural changes on vitamin or mineral supplement intake: number of women with adequate use of folic acid supplement · people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
RR 0.98 [0.95, 1.01]2 studies · 850 participantsLow
Preconception lifestyle advice on a combination of topics vs routine care or attention control
Reported behavioural changes in alcohol intake (measured at 6 months) · people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
RR 1.07 [0.99, 1.17]1 study · 607 participantsLow
Preconception lifestyle advice on a combination of topics vs routine care or attention control
Reported behavioural changes in smoking (measured at 6 months): · people with infertility
Preconception lifestyle advice for people with infertility (2021) · Cochrane
RR 1.01 [0.98, 1.04]1 study · 606 participantsLow
Preconception lifestyle advice on weight vs routine care or attention control
Live birth · women with infertility and obesity
Preconception lifestyle advice for people with infertility (2021) · Cochrane
RR 0.94 [0.62, 1.43]2 studies · 707 participantsVery low
Summary of findings table ‐ Adhesiolysis vs no surgery or diagnostic laparoscopy
Effectiveness of treatment · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extracted1 study · 43 participantsLow
Summary of findings table ‐ LUNA (laparoscopic uterosacral ligament nerve ablation) vs diagnostic laparoscopy/other treatments
Effectiveness of treatment · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extracted1 study · 74 participantsVery low
Summary of findings table ‐ LUNA (laparoscopic uterosacral ligament nerve ablation) vs diagnostic laparoscopy/other treatments
Effectiveness of treatment · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extracted1 study · 74 participantsVery low
Summary of findings table ‐ LUNA (laparoscopic uterosacral ligament nerve ablation) vs diagnostic laparoscopy/other treatments
Adverse events · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extracted2 studies · 121 participantsUngraded
Summary of findings table ‐ LUNA (laparoscopic uterosacral ligament nerve ablation) vs diagnostic laparoscopy/other treatments
Psychological outcomes ‐ not reported · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ LUNA (laparoscopic uterosacral ligament nerve ablation) vs diagnostic laparoscopy/other treatments
Quality of life ‐ not reported · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ LUNA (laparoscopic uterosacral ligament nerve ablation) vs diagnostic laparoscopy/other treatments
Requirement for analgesia · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extracted1 study · 74 participantsUngraded
Summary of findings table ‐ Adhesiolysis vs no surgery or diagnostic laparoscopy
Effectiveness of treatment · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extracted1 study · 43 participantsLow
Summary of findings table ‐ Adhesiolysis vs no surgery or diagnostic laparoscopy
Effectiveness of treatment · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extracted1 study · 43 participantsVery low
Summary of findings table ‐ Adhesiolysis vs no surgery or diagnostic laparoscopy
Adverse events · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extracted1 study · 43 participantsLow
Summary of findings table ‐ Adhesiolysis vs no surgery or diagnostic laparoscopy
Psychological outcomes ‐ not reported · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Adhesiolysis vs no surgery or diagnostic laparoscopy
Quality of life · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extracted1 study · 43 participantsLow
Summary of findings table ‐ Adhesiolysis vs no surgery or diagnostic laparoscopy
Quality of life · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extracted1 study · 43 participantsLow
Summary of findings table ‐ Adhesiolysis vs no surgery or diagnostic laparoscopy
Requirement for analgesia ‐ not reported · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ LUNA (laparoscopic uterosacral ligament nerve ablation) vs diagnostic laparoscopy/other treatments
Effectiveness of treatment · health problem or population
Surgical interventions for the management of chronic pelvic pain in women (2021) · Cochrane
OR 1.26 [0.4, 3.93]1 study · 51 participantsLow
Dopamine agonist vs placebo/no intervention
Incidence of moderate or severe OHSS · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 0.32 [0.23, 0.44]10 studies · 1202 participantsModerate
Dopamine agonist plus co‐intervention vs co‐intervention
Multiple pregnancy rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 2.02 [0.18, 22.77]1 study · 166 participantsVery low