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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)

531 questions in 102 reviews · Gynaecology and Fertility

current versions
No studies 531 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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
Swim‐up technique vs wash and centrifugation
Ongoing pregnancy rate per couple · patients undergoing intrauterine insemination (fresh semen)
Semen preparation techniques for intrauterine insemination (2019) · Cochrane
no estimate extractedNRNo studies
Direct vision entry vs Veress needle entry
Mortality · patients undergoing laparoscopy
Laparoscopic entry techniques (2019) · Cochrane
no estimate extractedNRNo studies
Direct vision entry vs Veress needle entry
Gas embolism · patients undergoing laparoscopy
Laparoscopic entry techniques (2019) · Cochrane
no estimate extractedNRNo studies
Direct vision entry vs Veress needle entry
Solid organ injury · patients undergoing laparoscopy
Laparoscopic entry techniques (2019) · Cochrane
no estimate extractedNRNo studies
Direct vision entry vs Veress needle entry
Failed entry · patients undergoing laparoscopy
Laparoscopic entry techniques (2019) · Cochrane
no estimate extractedNRNo studies
Direct vision entry vs open‐entry technique
Mortality · patients undergoing laparoscopy
Laparoscopic entry techniques (2019) · Cochrane
no estimate extractedNRNo studies
Direct vision entry vs open‐entry technique
Gas embolism · patients undergoing laparoscopy
Laparoscopic entry techniques (2019) · Cochrane
no estimate extractedNRNo studies
Radially expanding (STEP) trocars for primary port entry vs standard (non‐expanding) trocars
Mortality · patients undergoing laparoscopy
Laparoscopic entry techniques (2019) · Cochrane
no estimate extractedNRNo studies
Radially expanding (STEP) trocars for primary port entry vs standard (non‐expanding) trocars
Gas embolism · patients undergoing laparoscopy
Laparoscopic entry techniques (2019) · Cochrane
no estimate extractedNRNo studies
Radially expanding (STEP) trocars for primary port entry vs standard (non‐expanding) trocars
Failed entry · patients undergoing laparoscopy
Laparoscopic entry techniques (2019) · Cochrane
no estimate extractedNRNo studies
Open‐entry vs closed‐entry technique
Gas embolism · patients undergoing laparoscopy
Laparoscopic entry techniques (2019) · Cochrane
no estimate extractedNRNo studies
Open‐entry vs closed‐entry technique
Solid organ injury · patients undergoing laparoscopy
Laparoscopic entry techniques (2019) · Cochrane
no estimate extractedNRNo studies
Lifestyle intervention vs minimal treatment
Fertility: live birth ‐ not reported · women with polycystic ovary syndrome
Lifestyle changes in women with polycystic ovary syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Lifestyle intervention vs minimal treatment
Fertility: miscarriage ‐ not reported · women with polycystic ovary syndrome
Lifestyle changes in women with polycystic ovary syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Lifestyle intervention vs minimal treatment
Secondary reproductive: menstrual regularity ‐ not reported · women with polycystic ovary syndrome
Lifestyle changes in women with polycystic ovary syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Piroxicam vs indomethacin
Ectopic pregnancy · assisted reproductive technology
Nonsteroidal anti‐inflammatory drugs for assisted reproductive technology (2019) · Cochrane
no estimate extractedNRNo studies
Piroxicam vs indomethacin
Multiple pregnancy · assisted reproductive technology
Nonsteroidal anti‐inflammatory drugs for assisted reproductive technology (2019) · Cochrane
no estimate extractedNRNo studies
Piroxicam vs indomethacin
Side effects · assisted reproductive technology
Nonsteroidal anti‐inflammatory drugs for assisted reproductive technology (2019) · Cochrane
no estimate extractedNRNo studies
Piroxicam vs indomethacin
Live birth · assisted reproductive technology
Nonsteroidal anti‐inflammatory drugs for assisted reproductive technology (2019) · Cochrane
no estimate extractedNRNo studies
Low‐frequency electroacupuncture vs physical exercise or no intervention
Ovulation rate · polycystic ovarian syndrome
Acupuncture for polycystic ovarian syndrome (2019) · Cochrane
no estimate extractedNRNo studies
True acupuncture vs relaxation
Live birth rate · polycystic ovarian syndrome
Acupuncture for polycystic ovarian syndrome (2019) · Cochrane
no estimate extractedNRNo studies
True acupuncture vs relaxation
Multiple pregnancy rate · polycystic ovarian syndrome
Acupuncture for polycystic ovarian syndrome (2019) · Cochrane
no estimate extractedNRNo studies
True acupuncture vs relaxation
Adverse events · polycystic ovarian syndrome
Acupuncture for polycystic ovarian syndrome (2019) · Cochrane
no estimate extractedNRNo studies
True acupuncture vs clomiphene
Live birth rate · polycystic ovarian syndrome
Acupuncture for polycystic ovarian syndrome (2019) · Cochrane
no estimate extractedNRNo studies
True acupuncture vs clomiphene
Multiple pregnancy rate · polycystic ovarian syndrome
Acupuncture for polycystic ovarian syndrome (2019) · Cochrane
no estimate extractedNRNo studies
True acupuncture vs clomiphene
Ovulation rate · polycystic ovarian syndrome
Acupuncture for polycystic ovarian syndrome (2019) · Cochrane
no estimate extractedNRNo studies
True acupuncture vs Diane‐35
Live birth rate · polycystic ovarian syndrome
Acupuncture for polycystic ovarian syndrome (2019) · Cochrane
no estimate extractedNRNo studies
True acupuncture vs Diane‐35
Multiple pregnancy rate · polycystic ovarian syndrome
Acupuncture for polycystic ovarian syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Low‐frequency electroacupuncture vs physical exercise or no intervention
Live birth rate · polycystic ovarian syndrome
Acupuncture for polycystic ovarian syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Low‐frequency electroacupuncture vs physical exercise or no intervention
Multiple pregnancy rate · polycystic ovarian syndrome
Acupuncture for polycystic ovarian syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Ultrasound‐guided transvaginal ovarian needle drilling with gonadotropin (Gn) vs Gn
Live birth rate (per woman) · clomiphene‐resistant polycystic ovarian syndrome in subfertile women
Ultrasound-guided transvaginal ovarian needle drilling for clomiphene-resistant polycystic ovarian syndrome… (2019) · Cochrane
no estimate extractedNRNo studies
Ultrasound‐guided transvaginal ovarian needle drilling with gonadotropin (Gn) vs Gn
Incidence of surgical complications (per woman) · clomiphene‐resistant polycystic ovarian syndrome in subfertile women
Ultrasound-guided transvaginal ovarian needle drilling for clomiphene-resistant polycystic ovarian syndrome… (2019) · Cochrane
no estimate extractedNRNo studies
Intraperitoneal drain vs no intraperitoneal drain
Adverse events · women undergoing a diagnostic or operative laparoscopic gynaecological procedure
Interventions to reduce shoulder pain following gynaecological laparoscopic procedures (2019) · Cochrane
no estimate extractedNRNo studies
Local anaesthetic to peritoneal cavity (not subdiaphragmatic) vs control
Severity of STP · women undergoing gynaecological laparoscopic procedures
Interventions to reduce shoulder pain following gynaecological laparoscopic procedures (2019) · Cochrane
no estimate extractedNRNo studies
Local anaesthetic to peritoneal cavity (not subdiaphragmatic) vs control
Adverse events · women undergoing gynaecological laparoscopic procedures
Interventions to reduce shoulder pain following gynaecological laparoscopic procedures (2019) · Cochrane
no estimate extractedNRNo studies
Local anaesthetic to peritoneal cavity (not subdiaphragmatic) vs control
Analgesia usage · women undergoing gynaecological laparoscopic procedures
Interventions to reduce shoulder pain following gynaecological laparoscopic procedures (2019) · Cochrane
no estimate extractedNRNo studies
Warmed, or warmed and humidified CO2 vs unwarmed and unhumidified CO2
Adverse events · women undergoing gynaecological laparoscopic procedures
Interventions to reduce shoulder pain following gynaecological laparoscopic procedures (2019) · Cochrane
no estimate extractedNRNo studies
Gasless laparoscopy vs CO2 insufflation
Incidence of STP · women undergoing gynaecological laparoscopic procedures
Interventions to reduce shoulder pain following gynaecological laparoscopic procedures (2019) · Cochrane
no estimate extractedNRNo studies
Gasless laparoscopy vs CO2 insufflation
Analgesia usage · women undergoing gynaecological laparoscopic procedures
Interventions to reduce shoulder pain following gynaecological laparoscopic procedures (2019) · Cochrane
no estimate extractedNRNo studies
Fluid instillation vs no fluid instillation
Adverse events · women undergoing a diagnostic or operative laparoscopic gynaecological procedure
Interventions to reduce shoulder pain following gynaecological laparoscopic procedures (2019) · Cochrane
no estimate extractedNRNo studies
TLS utilising embryo selection software vs TLS with conventional morphological assessment of still TLS images
Stillbirth · couples undergoing assisted reproductive technology
Time‐lapse systems for embryo incubation and assessment in assisted reproduction (2019) · Cochrane
no estimate extractedNRNo studies
37°C vs any lower temperature
Adverse events ‐ not reported · subfertile women undergoing IVF or IVF/ICSI
Temperature of embryo culture for assisted reproduction (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Comparator · couples with unexplained infertility
Interventions for unexplained infertility: a systematic review and network meta‐analysis (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Comparator · couples with unexplained infertility
Interventions for unexplained infertility: a systematic review and network meta‐analysis (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Comparator · couples with unexplained infertility
Interventions for unexplained infertility: a systematic review and network meta‐analysis (2019) · Cochrane
no estimate extractedNRNo studies
Metformin vs clomiphene citrate
Adverse events (gastrointestinal) · women with polycystic ovary syndrome
Metformin for ovulation induction (excluding gonadotrophins) in women with polycystic ovary syndrome (2019) · Cochrane
no estimate extractedNRNo studies
Antifibrinolytics vs NSAIDs
Adverse events (any) · women with heavy menstrual bleeding
Antifibrinolytics for heavy menstrual bleeding (2018) · Cochrane
no estimate extractedNRNo studies
Antifibrinolytics vs NSAIDs
Thromboembolic events · women with heavy menstrual bleeding
Antifibrinolytics for heavy menstrual bleeding (2018) · Cochrane
no estimate extractedNRNo studies
Antifibrinolytics vs ethamsylate
Thromboembolic events · women with heavy menstrual bleeding
Antifibrinolytics for heavy menstrual bleeding (2018) · Cochrane
no estimate extractedNRNo studies
Antifibrinolytics vs herbal medicines
Rates of improvement · heavy menstrual bleeding
Antifibrinolytics for heavy menstrual bleeding (2018) · Cochrane
no estimate extractedNRNo studies