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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
Anterior prolapse repair: native tissue vs biological graft
Recurrent anterior compartment prolapse (1‐2 years) · women with anterior compartment pelvic organ prolapse
Surgery for women with anterior compartment prolapse (2016) · Cochrane
RR 1.32 [1.06, 1.65]8 studies · 701 participantsModerate
Anterior prolapse repair: native tissue vs biological graft
Stress urinary incontinence (1‐2 years) · women with anterior compartment pelvic organ prolapse
Surgery for women with anterior compartment prolapse (2016) · Cochrane
RR 1.44 [0.79, 2.64]2 studies · 218 participantsModerate
Anterior prolapse repair: native tissue vs biological graft
Dyspareunia (1‐2 years) · women with anterior compartment pelvic organ prolapse
Surgery for women with anterior compartment prolapse (2016) · Cochrane
RR 0.87 [0.39, 1.93]2 studies · 151 participantsLow
Anterior prolapse repair: native tissue vs polypropylene mesh
Awareness of prolapse (1‐3 years) · women with anterior compartment pelvic organ prolapse
Surgery for women with anterior compartment prolapse (2016) · Cochrane
RR 1.77 [1.37, 2.28]9 studies · 1133 participantsModerate
Anterior prolapse repair: native tissue vs polypropylene mesh
Repeat surgery for prolapse (1‐3 years) · women with anterior compartment pelvic organ prolapse
Surgery for women with anterior compartment prolapse (2016) · Cochrane
RR 2.03 [1.15, 3.58]12 studies · 1629 participantsModerate
Anterior prolapse repair: native tissue vs polypropylene mesh
Repeat surgery for stress urinary incontinence (1‐2 years) · women with anterior compartment pelvic organ prolapse
Surgery for women with anterior compartment prolapse (2016) · Cochrane
RR 1.19 [0.6, 2.36]5 studies · 881 participantsLow
Anterior prolapse repair: native tissue vs polypropylene mesh
Recurrent anterior compartment prolapse (1‐3 years) · women with anterior compartment pelvic organ prolapse
Surgery for women with anterior compartment prolapse (2016) · Cochrane
RR 3.01 [2.52, 3.6]16 studies · 1976 participantsLow
Day 3 vs Day 2 embryo transfer following IVF or ICSI
Live birth rate per woman · Women undergoing in vitro fertilisation or intracytoplasmic sperm injection
Day three versus day two embryo transfer following in vitro fertilization or intracytoplasmic sperm injection (2016) · Cochrane
RR 1.05 [0.89, 1.23]3 studies · 1200 participantsVery low
Day 3 vs Day 2 embryo transfer following IVF or ICSI
Ongoing pregnancy rate per woman · Women undergoing in vitro fertilisation or intracytoplasmic sperm injection
Day three versus day two embryo transfer following in vitro fertilization or intracytoplasmic sperm injection (2016) · Cochrane
RR 0.98 [0.85, 1.12]6 studies · 1740 participantsVery low
Day 3 vs Day 2 embryo transfer following IVF or ICSI
Clinical pregnancy rate per woman · Women undergoing in vitro fertilisation or intracytoplasmic sperm injection
Day three versus day two embryo transfer following in vitro fertilization or intracytoplasmic sperm injection (2016) · Cochrane
RR 1.08 [0.98, 1.19]12 studies · 2461 participantsVery low
Day 3 vs Day 2 embryo transfer following IVF or ICSI
Multiple pregnancy rate per woman · Women undergoing in vitro fertilisation or intracytoplasmic sperm injection
Day three versus day two embryo transfer following in vitro fertilization or intracytoplasmic sperm injection (2016) · Cochrane
RR 1.12 [0.86, 1.44]8 studies · 1837 participantsModerate
Day 3 vs Day 2 embryo transfer following IVF or ICSI
Miscarriage rate per woman · Women undergoing in vitro fertilisation or intracytoplasmic sperm injection
Day three versus day two embryo transfer following in vitro fertilization or intracytoplasmic sperm injection (2016) · Cochrane
RR 1.16 [0.84, 1.6]9 studies · 2153 participantsModerate
Day 3 vs Day 2 embryo transfer following IVF or ICSI
Ectopic pregnancy rate per woman · Women undergoing in vitro fertilisation or intracytoplasmic sperm injection
Day three versus day two embryo transfer following in vitro fertilization or intracytoplasmic sperm injection (2016) · Cochrane
RR 0.99 [0.29, 3.4]6 studies · 1531 participantsLow
Low‐dose aspirin vs placebo or no treatment
Live birth · Women with subfertility
Aspirin for in vitro fertilisation (2016) · Cochrane
RR 0.91 [0.72, 1.15]3 studies · 1053 participantsModerate
Low‐dose aspirin vs placebo or no treatment
Clinical pregnancy · Women with subfertility
Aspirin for in vitro fertilisation (2016) · Cochrane
RR 1.03 [0.91, 1.17]10 studies · 2142 participantsModerate
Low‐dose aspirin vs placebo or no treatment
Multiple pregnancy (on ultrasound) · Women with subfertility
Aspirin for in vitro fertilisation (2016) · Cochrane
RR 0.67 [0.37, 1.25]2 studies · 656 participantsLow
Low‐dose aspirin vs placebo or no treatment
Miscarriage rate per woman · Women with subfertility
Aspirin for in vitro fertilisation (2016) · Cochrane
RR 1.1 [0.68, 1.77]5 studies · 1497 participantsLow
Low‐dose aspirin vs placebo or no treatment
Ectopic pregnancy · Women with subfertility
Aspirin for in vitro fertilisation (2016) · Cochrane
RR 1.86 [0.75, 4.63]3 studies · 1135 participantsVery low
Low‐dose aspirin vs placebo or no treatment
Vaginal bleeding · Women with subfertility
Aspirin for in vitro fertilisation (2016) · Cochrane
RR 1.01 [0.14, 7.13]1 study · 487 participantsVery low
Low‐dose aspirin vs placebo or no treatment
Other adverse events · Women with subfertility
Aspirin for in vitro fertilisation (2016) · Cochrane
no estimate extractedNRNo studies
Ultrasound‐guided embryo transfer vs clinical touch
Live birth and ongoing pregnancy (per woman randomised) · Women undergoing embryo transfer as part of IVF or ICSI cycle
Ultrasound versus 'clinical touch' for catheter guidance during embryo transfer in women (2016) · Cochrane
OR 1.47 [1.3, 1.65]13 studies · 5859 participantsLow
Ultrasound‐guided embryo transfer vs clinical touch
Live birth · Women undergoing embryo transfer as part of IVF or ICSI cycle
Ultrasound versus 'clinical touch' for catheter guidance during embryo transfer in women (2016) · Cochrane
OR 1.53 [1.29, 1.8]4 studies · 3117 participantsLow
Ultrasound‐guided embryo transfer vs clinical touch
Ongoing pregnancy · Women undergoing embryo transfer as part of IVF or ICSI cycle
Ultrasound versus 'clinical touch' for catheter guidance during embryo transfer in women (2016) · Cochrane
OR 1.4 [1.19, 1.66]9 studies · 2742 participantsModerate
Ultrasound‐guided embryo transfer vs clinical touch
Clinical pregnancy (per woman randomised) · Women undergoing embryo transfer as part of IVF or ICSI cycle
Ultrasound versus 'clinical touch' for catheter guidance during embryo transfer in women (2016) · Cochrane
OR 1.31 [1.17, 1.45]20 studies · 6711 participantsModerate
Ultrasound‐guided embryo transfer vs clinical touch
Multiple pregnancy (per woman randomised) · Women undergoing embryo transfer as part of IVF or ICSI cycle
Ultrasound versus 'clinical touch' for catheter guidance during embryo transfer in women (2016) · Cochrane
OR 1.13 [0.87, 1.45]8 studies · 3379 participantsModerate
Ultrasound‐guided embryo transfer vs clinical touch
Miscarriage (per woman randomised) · Women undergoing embryo transfer as part of IVF or ICSI cycle
Ultrasound versus 'clinical touch' for catheter guidance during embryo transfer in women (2016) · Cochrane
OR 0.99 [0.74, 1.31]11 studies · 4053 participantsModerate
Ultrasound‐guided embryo transfer vs clinical touch
Ectopic pregnancy (per woman randomised) · Women undergoing embryo transfer as part of IVF or ICSI cycle
Ultrasound versus 'clinical touch' for catheter guidance during embryo transfer in women (2016) · Cochrane
OR 0.64 [0.28, 1.49]8 studies · 3761 participantsModerate
Intervention NR
Pain: Acupuncture versus sham or placebo control · women with primary dysmenorrhoea
Acupuncture for dysmenorrhoea (2016) · Cochrane
no estimate extracted6 studies · 477 participantsLow
Intervention NR
Adverse effects: Acupressure versus placebo , no treatment or active controls · women with primary dysmenorrhoea
Acupuncture for dysmenorrhoea (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events: Acupuncture versus sham or placebo control · women with primary dysmenorrhoea
Acupuncture for dysmenorrhoea (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Pain: Acupuncture versus NSAIDs · women with primary dysmenorrhoea
Acupuncture for dysmenorrhoea (2016) · Cochrane
OR 4.99 [2.82, 8.82]10 studies · 611 participantsLow
Intervention NR
Adverse events: Acupuncture versus NSAIDs · women with primary dysmenorrhoea
Acupuncture for dysmenorrhoea (2016) · Cochrane
OR 0.1 [0.02, 0.44]4 studies · 239 participantsLow
Intervention NR
Pain: Acupuncture versus no treatment · women with primary dysmenorrhoea
Acupuncture for dysmenorrhoea (2016) · Cochrane
no estimate extracted6 studies · 384 participantsLow
Intervention NR
Adverse events: Acupuncture versus no treatment · women with primary dysmenorrhoea
Acupuncture for dysmenorrhoea (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Pain: Acupressure versus sham or placebo control · women with primary dysmenorrhoea
Acupuncture for dysmenorrhoea (2016) · Cochrane
no estimate extracted5 studies · 538 participantsLow
Intervention NR
Pain: Acupressure versus NSAIDs · women with primary dysmenorrhoea
Acupuncture for dysmenorrhoea (2016) · Cochrane
MD 0.391 study · 136 participantsVery low
Intervention NR
Pain score: Acupressure versus no treatment · women with primary dysmenorrhoea
Acupuncture for dysmenorrhoea (2016) · Cochrane
MD 0.962 studies · 140 participantsVery low
Tibolone vs placebo
Vasomotor symptoms (all doses) · postmenopausal women with vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 0.33 [0.27, 0.41]5 studies · 842 participantsModerate
Tibolone vs combined HT
Unscheduled bleeding (all doses) · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 0.32 [0.24, 0.41]16 studies · 6438 participantsModerate
Tibolone vs combined HT
Endometrial cancer (all doses) · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 1.47 [0.23, 9.33]5 studies · 3689 participantsVery low
Tibolone vs combined HT
Breast cancer; women without previous breast cancer (all doses) · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 1.69 [0.78, 3.67]5 studies · 4835 participantsVery low
Tibolone vs combined HT
Venous thromboembolic events (clinical evaluation; all doses) · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 0.44 [0.09, 2.14]4 studies · 4529 participantsVery low
Tibolone vs combined HT
Cardiovascular events (all doses) · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 0.63 [0.24, 1.66]2 studies · 3794 participantsVery low
Tibolone vs combined HT
Cerebrovascular event (all doses) · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 0.76 [0.16, 3.66]4 studies · 4562 participantsVery low
Tibolone vs combined HT
Mortality from any cause (tibolone 2.5 mg/d) · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 3.05 [0.12, 75.2]2 studies · 970 participantsVery low
Tibolone vs placebo
Endometrial cancer (all doses) · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 2.04 [0.79, 5.24]9 studies · 8504 participantsVery low
Tibolone vs placebo
Breast cancer; women without previous breast cancer (all doses) · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 0.52 [0.21, 1.25]4 studies · 5500 participantsVery low
Tibolone vs placebo
Unscheduled bleeding (all doses) · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 2.79 [2.1, 3.7]9 studies · 7814 participantsModerate
Tibolone vs placebo
Venous thromboembolic events (clinical evaluation) all doses · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
OR 0.85 [0.37, 1.97]5 studies · 9176 participantsVery low
Tibolone vs placebo
Cardiovascular events (all doses) · postmenopausal women with or without vasomotor symptoms
Short‐term and long‐term effects of tibolone in postmenopausal women (2016) · Cochrane
no estimate extracted4 studies · 8401 participantsVery low