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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
Operative hysteroscopy vs control
Adverse events: hysteroscopy complications · subfertile women with endometrial polyps diagnosed by ultrasonography prior to treatment with gonadotropin and…
Hysteroscopy for treating subfertility associated with suspected major uterine cavity abnormalities (2018) · Cochrane
no estimate extractedNRNo studies
Operative hysteroscopy vs control
Adverse events: miscarriage · subfertile women with endometrial polyps diagnosed by ultrasonography prior to treatment with gonadotropin and…
Hysteroscopy for treating subfertility associated with suspected major uterine cavity abnormalities (2018) · Cochrane
no estimate extractedNRNo studies
ART with seminal plasma vs standard ART (IVF, ICSI, and frozen embryo transfer)
Adverse events, including infectious complications · Women undergoing ART (IVF, ICSI, or frozen embryo transfer)
Application of seminal plasma to female genital tract prior to embryo transfer in assisted reproductive… (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs antioxidant (melatonin)
Ovulation · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs D‐chiro‐inositol
Live birth · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs D‐chiro‐inositol
Adverse event ‐ multiple pregnancy · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs D‐chiro‐inositol
Ovulation · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs an insulin‐sensitising agent (metformin)
Live birth · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs an insulin‐sensitising agent (metformin)
Adverse events · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs an ovulation induction agent (clomiphene)
Adverse event ‐ miscarriage · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs an ovulation induction agent (clomiphene)
Clinical pregnancy · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs placebo, no/standard treatment
Ovulation · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Myo‐inositol vs antioxidant (melatonin)
Live birth · subfertile women with polycystic ovary syndrome
Inositol for subfertile women with polycystic ovary syndrome (2018) · Cochrane
no estimate extractedNRNo studies
Transanal repair vs transvaginal repair
Outcomes ( · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
no estimate extractedNRNo studies
Biological graft vs native tissue repair
Outcomes ( · women with posterior vaginal wall prolapse
Surgery for women with posterior compartment prolapse (2018) · Cochrane
no estimate extractedNRNo studies
Pelvic floor muscle training before and after prolapse surgery vs no training
Intraoperative blood loss · women undergoing pelvic organ prolapse surgery
Perioperative interventions in pelvic organ prolapse surgery (2018) · Cochrane
no estimate extractedNRNo studies
Pelvic floor muscle training before and after prolapse surgery vs no training
Intraoperative ureteral injury · women undergoing pelvic organ prolapse surgery
Perioperative interventions in pelvic organ prolapse surgery (2018) · Cochrane
no estimate extractedNRNo studies
Pelvic floor muscle training before and after prolapse surgery vs no training
Postoperative urinary tract infection · women undergoing pelvic organ prolapse surgery
Perioperative interventions in pelvic organ prolapse surgery (2018) · Cochrane
no estimate extractedNRNo studies
GnRHa treatment vs no pretreatment or placebo before resection
Intraoperative blood loss (mL) · women with uterine fibroids
Preoperative medical therapy before surgery for uterine fibroids (2017) · Cochrane
no estimate extractedNRNo studies
GnRHa treatment vs no pretreatment or placebo before resection
Blood transfusions · women with uterine fibroids
Preoperative medical therapy before surgery for uterine fibroids (2017) · Cochrane
no estimate extractedNRNo studies
GnRHa treatment vs no pretreatment or placebo before resection
Postoperative morbidity · women with uterine fibroids
Preoperative medical therapy before surgery for uterine fibroids (2017) · Cochrane
no estimate extractedNRNo studies
GnRHa treatment vs other medical therapies before any surgery
Uterine volume (cm³) · women with uterine fibroids
Preoperative medical therapy before surgery for uterine fibroids (2017) · Cochrane
no estimate extractedNRNo studies
SPRM vs placebo
Uterine volume (cm³) · women with uterine fibroids
Preoperative medical therapy before surgery for uterine fibroids (2017) · Cochrane
no estimate extractedNRNo studies
SPRM vs placebo
Fibroid volume (cm³) · women with uterine fibroids
Preoperative medical therapy before surgery for uterine fibroids (2017) · Cochrane
no estimate extractedNRNo studies
GnRHa treatment vs placebo or no pretreatment (preoperative outcomes)
Preoperative bleeding · women with uterine fibroids
Preoperative medical therapy before surgery for uterine fibroids (2017) · Cochrane
no estimate extractedNRNo studies
Coasting vs early unilateral follicular aspiration
Miscarriage · Women undergoing assisted reproduction
Coasting (withholding gonadotrophins) for preventing ovarian hyperstimulation syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Coasting vs gonadotrophin‐releasing hormone antagonist
Live birth · Women undergoing assisted reproduction
Coasting (withholding gonadotrophins) for preventing ovarian hyperstimulation syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Coasting vs gonadotrophin‐releasing hormone antagonist
Miscarriage · Women undergoing assisted reproduction
Coasting (withholding gonadotrophins) for preventing ovarian hyperstimulation syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Coasting vs follicle stimulating hormone administration at time of hCG
Live birth · Women undergoing assisted reproduction
Coasting (withholding gonadotrophins) for preventing ovarian hyperstimulation syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Coasting vs follicle stimulating hormone administration at time of hCG
Multiple pregnancy · Women undergoing assisted reproduction
Coasting (withholding gonadotrophins) for preventing ovarian hyperstimulation syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Coasting vs follicle stimulating hormone administration at time of hCG
Miscarriage · Women undergoing assisted reproduction
Coasting (withholding gonadotrophins) for preventing ovarian hyperstimulation syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Coasting vs cabergoline
Live birth · Women undergoing assisted reproduction
Coasting (withholding gonadotrophins) for preventing ovarian hyperstimulation syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Coasting vs cabergoline
Multiple pregnancy · Women undergoing assisted reproduction
Coasting (withholding gonadotrophins) for preventing ovarian hyperstimulation syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Coasting vs cabergoline
Miscarriage · Women undergoing assisted reproduction
Coasting (withholding gonadotrophins) for preventing ovarian hyperstimulation syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Coasting vs early unilateral follicular aspiration
Live birth · Women undergoing assisted reproduction
Coasting (withholding gonadotrophins) for preventing ovarian hyperstimulation syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Coasting vs early unilateral follicular aspiration
Multiple pregnancy · Women undergoing assisted reproduction
Coasting (withholding gonadotrophins) for preventing ovarian hyperstimulation syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Metformin combined with clomiphene citrate vs clomiphene citrate alone
Menstrual frequency per woman · women with polycystic ovary syndrome
Insulin‐sensitising drugs (metformin, rosiglitazone, pioglitazone, D‐chiro‐inositol) for women with… (2017) · Cochrane
no estimate extractedNRNo studies
Metformin vs clomiphene citrate
Adverse events (gastrointestinal) · women with polycystic ovary syndrome
Insulin‐sensitising drugs (metformin, rosiglitazone, pioglitazone, D‐chiro‐inositol) for women with… (2017) · Cochrane
no estimate extractedNRNo studies
Metformin vs clomiphene citrate
Menstrual frequency · women with polycystic ovary syndrome
Insulin‐sensitising drugs (metformin, rosiglitazone, pioglitazone, D‐chiro‐inositol) for women with… (2017) · Cochrane
no estimate extractedNRNo studies
Natural cycle FET vs HT FET
Live birth rate per woman · subfertile women
Cycle regimens for frozen‐thawed embryo transfer (2017) · Cochrane
no estimate extractedNRNo studies
Natural cycle FET vs modified natural cycle FET (HCG trigger)
Multiple pregnancy per woman · subfertile women
Cycle regimens for frozen‐thawed embryo transfer (2017) · Cochrane
no estimate extractedNRNo studies
Modified natural cycle FET (HCG trigger) vs HT FET
Miscarriage rate per woman · subfertile women
Cycle regimens for frozen‐thawed embryo transfer (2017) · Cochrane
no estimate extractedNRNo studies
Modified natural cycle FET (HCG trigger) vs HT FET
Multiple pregnancy rate per woman · subfertile women
Cycle regimens for frozen‐thawed embryo transfer (2017) · Cochrane
no estimate extractedNRNo studies
Modified natural cycle FET (HCG trigger) vs HT + GnRHa suppression FET
Ongoing pregnancy rate · subfertile women
Cycle regimens for frozen‐thawed embryo transfer (2017) · Cochrane
no estimate extractedNRNo studies
Natural cycle FET vs HT FET
Miscarriage rate per woman · subfertile women
Cycle regimens for frozen‐thawed embryo transfer (2017) · Cochrane
no estimate extractedNRNo studies
Modified natural cycle FET (HCG trigger) vs HT + GnRHa suppression FET
Multiple pregnancy rate per woman · subfertile women
Cycle regimens for frozen‐thawed embryo transfer (2017) · Cochrane
no estimate extractedNRNo studies
HT FET vs HT + GnRHa FET
Multiple pregnancy rate per woman · women with primary or secondary subfertility
Cycle regimens for frozen‐thawed embryo transfer (2017) · Cochrane
no estimate extractedNRNo studies
HMG FET vs clomiphene + HMG FET
Ongoing pregnancy rate per woman · subfertile women
Cycle regimens for frozen‐thawed embryo transfer (2017) · Cochrane
no estimate extractedNRNo studies
Natural cycle FET vs HT FET
Ongoing pregnancy rate per woman · subfertile women
Cycle regimens for frozen‐thawed embryo transfer (2017) · Cochrane
no estimate extractedNRNo studies
Natural cycle FET vs HT plus GnRHa suppression FET
Miscarriage rate per woman · subfertile women
Cycle regimens for frozen‐thawed embryo transfer (2017) · Cochrane
no estimate extractedNRNo studies