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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
Dopamine agonist plus co‐intervention vs co‐intervention
Miscarriage rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 0.65 [0.3, 1.42]3 studies · 548 participantsLow
Dopamine agonist plus co‐intervention vs co‐intervention
Any other adverse events · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 3.03 [0.12, 75.28]2 studies · 366 participantsVery low
Dopamine agonist vs other active 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 0.21 [0.12, 0.38]3 studies · 296 participantsVery low
Dopamine agonist vs other active intervention
Live birth rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 1.08 [0.73, 1.59]2 studies · 430 participantsLow
Dopamine agonist vs other active intervention
Clinical pregnancy rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 1.04 [0.81, 1.33]7 studies · 1060 participantsModerate
Dopamine agonist vs other active intervention
Multiple pregnancy rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 0.87 [0.47, 1.59]3 studies · 400 participantsLow
Dopamine agonist vs other active intervention
Miscarriage rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 0.66 [0.35, 1.25]4 studies · 630 participantsLow
Dopamine agonist vs other active intervention
Any other adverse events · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
no estimate extracted1 study · 170 participantsUngraded
Dopamine agonist vs placebo/no intervention
Live birth rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 0.96 [0.6, 1.55]3 studies · 362 participantsLow
Dopamine agonist vs placebo/no intervention
Clinical pregnancy rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 0.92 [0.63, 1.37]5 studies · 530 participantsLow
Dopamine agonist vs placebo/no intervention
Multiple pregnancy rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 0.32 [0.01, 8.26]1 study · 40 participantsVery low
Dopamine agonist vs placebo/no intervention
Miscarriage rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 0.66 [0.19, 2.28]2 studies · 168 participantsLow
Dopamine agonist vs placebo/no intervention
Any other adverse events · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 4.54 [1.49, 13.84]2 studies · 264 participantsVery low
Dopamine agonist plus co‐intervention vs co‐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 0.48 [0.28, 0.84]4 studies · 748 participantsLow
Dopamine agonist plus co‐intervention vs co‐intervention
Live birth rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 1.21 [0.81, 1.8]2 studies · 400 participantsLow
Dopamine agonist plus co‐intervention vs co‐intervention
Clinical pregnancy rate · women of reproductive age undergoing any ART therapy
Dopamine agonists for preventing ovarian hyperstimulation syndrome (2021) · Cochrane
OR 1.11 [0.83, 1.49]4 studies · 748 participantsLow
Endometrial injury vs control
Live birth per woman randomised (studies at low risk of selection bias and other bias) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
OR 1.12 [0.98, 1.28]8 studies · 4402 participantsModerate
Higher vs lower degree of injury
Live birth per woman randomised: sensitivity analysis (including all studies) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
OR 1.28 [0.31, 5.37]1 study · 129 participantsVery low
Higher vs lower degree of injury
Miscarriage per woman randomised: sensitivity analysis (including all studies) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
OR 1.28 [0.31, 5.37]1 study · 129 participantsVery low
Higher vs lower degree of injury
Clinical pregnancy per woman randomised: sensitivity analysis (including all studies) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
OR 1.31 [0.46, 3.73]1 study · 129 participantsVery low
Endometrial injury vs control
Live birth per woman randomised: sensitivity analysis (no high risk) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
OR 1.13 [0.63, 2.03]1 study · 229 participantsLow
Endometrial injury vs control
Live birth per woman randomised: sensitivity analysis (including all studies) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
no estimate extracted29 studies · 7792 participantsVery low
Endometrial injury vs control
Miscarriage per woman randomised (studies at low risk of selection bias and other bias) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
OR 0.88 [0.68, 1.13]8 studies · 4402 participantsModerate
Endometrial injury vs control
Miscarriage per woman randomised: sensitivity analysis (no high risk) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
OR 1.17 [0.38, 3.58]1 study · 229 participantsLow
Endometrial injury vs control
Miscarriage per woman randomised: sensitivity analysis (including all studies) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
OR 1.03 [0.85, 1.25]30 studies · 8092 participantsLow
Endometrial injury vs control
Clinical pregnancy per woman randomised (studies at low risk of selection bias and other bias) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
OR 1.08 [0.95, 1.23]8 studies · 4402 participantsModerate
Endometrial injury vs control
Clinical pregnancy per woman randomised: sensitivity analysis (no high‐risk) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
OR 1.16 [0.67, 2.02]1 study · 229 participantsLow
Endometrial injury vs control
Clinical pregnancy per woman randomised: sensitivity analysis (including all studies) · women undergoing assisted reproductive techniques
Endometrial injury in women undergoing in vitro fertilisation (IVF) (2021) · Cochrane
no estimate extracted37 studies · 8786 participantsVery low
Raloxifene vs placebo
Relief of pelvic pain · women with endometriosis, following complete surgical excision of lesions
Selective oestrogen receptor modulators (SERMs) for endometriosis (2021) · Cochrane
no estimate extractedNRNo studies
Raloxifene vs placebo
Adverse events ‐ pelvic pain · women with endometriosis, following complete surgical excision of lesions
Selective oestrogen receptor modulators (SERMs) for endometriosis (2021) · Cochrane
RR 1.25 [0.63, 2.45]1 study · 93 participantsVery low
Raloxifene vs placebo
Adverse events ‐ ovarian cyst · women with endometriosis, following complete surgical excision of lesions
Selective oestrogen receptor modulators (SERMs) for endometriosis (2021) · Cochrane
RR 1.57 [0.55, 4.43]1 study · 93 participantsVery low
Raloxifene vs placebo
Adverse events ‐ headache · women with endometriosis, following complete surgical excision of lesions
Selective oestrogen receptor modulators (SERMs) for endometriosis (2021) · Cochrane
RR 1.06 [0.48, 2.37]1 study · 93 participantsVery low
Raloxifene vs placebo
Adverse events ‐ migraine · women with endometriosis, following complete surgical excision of lesions
Selective oestrogen receptor modulators (SERMs) for endometriosis (2021) · Cochrane
RR 0.73 [0.28, 1.95]1 study · 93 participantsVery low
Raloxifene vs placebo
Adverse events ‐ depression · women with endometriosis, following complete surgical excision of lesions
Selective oestrogen receptor modulators (SERMs) for endometriosis (2021) · Cochrane
RR 1.91 [0.62, 5.92]1 study · 93 participantsVery low
Raloxifene vs placebo
Biopsy‐proven recurrence of endometriosis · women with endometriosis, following complete surgical excision of lesions
Selective oestrogen receptor modulators (SERMs) for endometriosis (2021) · Cochrane
RR 1.2 [0.66, 6.21]1 study · 93 participantsVery low
Fresh vs frozen embryo transfer (cumulatively)
Live birth rate: cumulatively · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
OR 1.08 [0.95, 1.22]8 studies · 4712 participantsModerate
Fresh vs frozen embryo transfers
Large for gestational age (birth weight above 90th percentile): after first ET · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
OR 1.96 [1.51, 2.55]3 studies · 3940 participantsLow
Fresh vs frozen embryo transfers
Small for gestational age (birth weight below 10th percentile): cumulatively · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
OR 0.36 [0.16, 0.8]1 study · 782 participantsLow
Fresh vs frozen embryo transfers
Small for gestational age (birth weight below 10th percentile): after first ET · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
OR 0.82 [0.65, 1.05]3 studies · 3940 participantsVery low
Fresh vs frozen embryo transfers
Birth weight of babies born: singletons · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
no estimate extracted5 studies · 1607 participantsModerate
Fresh vs frozen embryo transfers
Birth weight of babies born: multiples · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
no estimate extracted4 studies · 804 participantsLow
Fresh vs frozen embryo transfer (cumulatively)
OHSS: per cycle with ovarian hyperstimulation · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
OR 0.26 [0.17, 0.39]6 studies · 4478 participantsLow
Fresh vs frozen embryo transfer (cumulatively)
Ongoing pregnancy rate: cumulatively · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
OR 0.95 [0.75, 1.19]4 studies · 1245 participantsModerate
Fresh vs frozen embryo transfer (cumulatively)
Miscarriage rate: cumulatively · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
OR 1.06 [0.72, 1.55]2 studies · 986 participantsVery low
Fresh vs frozen embryo transfer (cumulatively)
Multiple pregnancy rate: cumulatively · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
OR 0.88 [0.61, 1.25]2 studies · 986 participantsVery low
Fresh vs frozen embryo transfer (cumulatively)
Time to pregnancy · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
no estimate extractedNRNo studies
Fresh vs frozen embryo transfers
Hypertensive disorders of pregnancy: cumulatively · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
OR 0.7 [0.27, 1.82]1 study · 782 participantsLow
Fresh vs frozen embryo transfers
Hypertensive disorders of pregnancy: after first ET · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
OR 2.15 [1.42, 3.25]3 studies · 3940 participantsLow
Fresh vs frozen embryo transfers
Large for gestational age (birth weight above 90th percentile): cumulatively · women undergoing assisted reproduction
Fresh versus frozen embryo transfers in assisted reproduction (2021) · Cochrane
OR 1.97 [0.63, 6.15]1 study · 782 participantsLow
Oxytocin antagonists vs control
Live birth · women undergoing embryo transfer as part of assisted reproduction
Oxytocin antagonists for assisted reproduction (2021) · Cochrane
RR 1.05 [0.88, 1.24]1 study · 800 participantsLow