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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
Oral vs vaginal administration of oestradiol and dydrogesterone
Reproductive outcomes · women with premature ovarian insufficiency (POI) awaiting oocyte donation
Hormone therapy for uterine and endometrial development in women with premature ovarian insufficiency (2022) · Cochrane
no estimate extractedNRNo studies
Oral vs vaginal administration of oestradiol and dydrogesterone
Adverse events · women with premature ovarian insufficiency (POI) awaiting oocyte donation
Hormone therapy for uterine and endometrial development in women with premature ovarian insufficiency (2022) · Cochrane
no estimate extractedNRNo studies
Conjugated oral oestrogens vs transdermal 17ß‐estradiol
Endometrial histology · girls with Turner syndrome who were treated with prepubertal growth hormone
Hormone therapy for uterine and endometrial development in women with premature ovarian insufficiency (2022) · Cochrane
no estimate extractedNRNo studies
Conjugated oral oestrogens vs transdermal 17ß‐estradiol
Uterine perfusion · girls with Turner syndrome who were treated with prepubertal growth hormone
Hormone therapy for uterine and endometrial development in women with premature ovarian insufficiency (2022) · Cochrane
no estimate extractedNRNo studies
Conjugated oral oestrogens vs transdermal 17ß‐estradiol
Reproductive outcomes · girls with Turner syndrome who were treated with prepubertal growth hormone
Hormone therapy for uterine and endometrial development in women with premature ovarian insufficiency (2022) · Cochrane
no estimate extractedNRNo studies
Conjugated oral oestrogens vs transdermal 17ß‐estradiol
Adverse events · girls with Turner syndrome who were treated with prepubertal growth hormone
Hormone therapy for uterine and endometrial development in women with premature ovarian insufficiency (2022) · Cochrane
no estimate extractedNRNo studies
Low vs high 17ß‐oestradiol dose
Endometrial thickness · young women with Turner syndrome who have completed pubertal induction
Hormone therapy for uterine and endometrial development in women with premature ovarian insufficiency (2022) · Cochrane
no estimate extractedNRNo studies
Letrozole vs laparoscopic ovarian drilling
Ovarian hyperstimulation syndrome rate · infertile women with polycystic ovary syndrome
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Live birth or ongoing pregnancy: early (EFP) vs late (LFP) follicular phase · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
Endometrial injury for pregnancy following sexual intercourse or intrauterine insemination (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Live birth or ongoing pregnancy: prior cycle vs IUI cycle · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
Endometrial injury for pregnancy following sexual intercourse or intrauterine insemination (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Pain during the procedure · infertile women or couples attempting to conceive through sexual intercourse or intrauterine insemination (IUI)
Endometrial injury for pregnancy following sexual intercourse or intrauterine insemination (2022) · Cochrane
no estimate extractedNRNo studies
Progesterone vs no treatment or placebo (route of progesterone administration)
Outcomes* · women trying to conceive by intrauterine insemination
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Progesterone vs placebo/no treatment
Adverse events, OHSS, preterm delivery, congenital anomaly · women with gonadotropin stimulation
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Progesterone vs placebo/no treatment
Live birth rate · women with gonadotropin plus oral (clomiphene citrate or letrozole) stimulation
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Progesterone vs placebo/no treatment
Adverse events, OHSS, preterm delivery, congenital anomaly · women with gonadotropin plus oral (clomiphene citrate or letrozole) stimulation
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Progesterone vs placebo/no treatment
Adverse events, OHSS, preterm delivery, congenital anomaly · women with oral (clomiphene citrate or letrozole) stimulation
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Intramuscular (IM) progesterone vs vaginal progesterone
Live birth rate · women trying to conceive by intrauterine insemination
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Intramuscular (IM) progesterone vs vaginal progesterone
Multiple pregnancy rate · women trying to conceive by intrauterine insemination
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Intramuscular (IM) progesterone vs vaginal progesterone
OHSS, preterm delivery, congenital anomaly · women trying to conceive by intrauterine insemination
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Oral progesterone vs vaginal progesterone
Live birth rate · women trying to conceive by intrauterine insemination
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Oral progesterone vs vaginal progesterone
Multiple pregnancy rate · women trying to conceive by intrauterine insemination
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Oral progesterone vs vaginal progesterone
Adverse events, OHSS, preterm delivery, congenital anomaly · women trying to conceive by intrauterine insemination
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Subcutaneous (Sc) gonadotropin‐releasing hormone (GnRH) agonist vs placebo/no treatment
Live birth · women trying to conceive by intrauterine insemination
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Subcutaneous (Sc) gonadotropin‐releasing hormone (GnRH) agonist vs placebo/no treatment
Adverse events, OHSS, preterm delivery, congenital anomaly · women trying to conceive by intrauterine insemination
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Progesterone vs no treatment or placebo (route of progesterone administration)
Adverse events, OHSS, preterm delivery, congenital anomaly · women trying to conceive by intrauterine insemination
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse (2022) · Cochrane
no estimate extractedNRNo studies
Surgical treatment vs radiological treatment
Quality of life · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Surgical treatment vs other surgical treatment
Live birth · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Surgical treatment vs other surgical treatment
Adverse events · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Surgical treatment vs other surgical treatment
Pregnancy · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Surgical treatment vs other surgical treatment
Varicocele recurrence · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Surgical treatment vs other surgical treatment
Quality of life · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Radiological treatment vs radiological treatment
Live birth · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Radiological treatment vs radiological treatment
Adverse events · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Radiological treatment vs radiological treatment
Pregnancy · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Varicocele treatment vs non‐surgical, delayed, or no treatment
Adverse events · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Radiological treatment vs radiological treatment
Quality of life · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Varicocele treatment vs non‐surgical, delayed, or no treatment
Varicocele recurrence · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Varicocele treatment vs non‐surgical, delayed, or no treatment
Quality of life · Varicoceles in subfertile men
Surgical or radiological treatment for varicoceles in subfertile men (2021) · Cochrane
no estimate extractedNRNo studies
Postoperative use of LNG‐IUD vs expectant management
Overall pain at 12 months  · Patients with symptomatic endometriosis following surgery
Levonorgestrel‐releasing intrauterine device (LNG‐IUD) for symptomatic endometriosis following surgery (2021) · Cochrane
no estimate extractedNRNo studies
Postoperative use of LNG‐IUD vs postoperative GnRH‐a
Improvement of the most troublesome symptom at 12 months Â
Levonorgestrel‐releasing intrauterine device (LNG‐IUD) for symptomatic endometriosis following surgery (2021) · Cochrane
no estimate extractedNRNo studies
Postoperative use of LNG‐IUD vs postoperative GnRH‐a
Quality of life at 12 months Â
Levonorgestrel‐releasing intrauterine device (LNG‐IUD) for symptomatic endometriosis following surgery (2021) · Cochrane
no estimate extractedNRNo studies
Postoperative use of LNG‐IUD vs postoperative GnRH‐a
Patient satisfaction at 12 monthsÂ
Levonorgestrel‐releasing intrauterine device (LNG‐IUD) for symptomatic endometriosis following surgery (2021) · Cochrane
no estimate extractedNRNo studies
Postoperative use of LNG‐IUD vs expectant management
Chronic pelvic pain at 12 months  · Patients with symptomatic endometriosis following surgery
Levonorgestrel‐releasing intrauterine device (LNG‐IUD) for symptomatic endometriosis following surgery (2021) · Cochrane
no estimate extractedNRNo studies
Postoperative use of LNG‐IUD vs expectant management
Improvement of the most troublesome symptom at 12 months  · Patients with symptomatic endometriosis following surgery
Levonorgestrel‐releasing intrauterine device (LNG‐IUD) for symptomatic endometriosis following surgery (2021) · Cochrane
no estimate extractedNRNo studies
Postoperative use of LNG‐IUD vs postoperative GnRH‐a
Â
Levonorgestrel‐releasing intrauterine device (LNG‐IUD) for symptomatic endometriosis following surgery (2021) · Cochrane
no estimate extractedNRNo studies
Postoperative use of LNG‐IUD vs postoperative GnRH‐a
Overall pain at 12 months Â
Levonorgestrel‐releasing intrauterine device (LNG‐IUD) for symptomatic endometriosis following surgery (2021) · Cochrane
no estimate extractedNRNo studies
Monitoring ovarian stimulation by transvaginal ultrasound (TVUS) only vs monitoring with TVUS plus serum estradiol
Live birth per woman · Women undergoing ovarian stimulation with gonadotrophins in IVF and ICSI procedures
Monitoring of stimulated cycles in assisted reproduction (IVF and ICSI) (2021) · Cochrane
no estimate extractedNRNo studies
Warm saline vs room temperature saline
Quality of hysteroscopic view · women undergoing outpatient hysteroscopy
Uterine distension media for outpatient hysteroscopy (2021) · Cochrane
no estimate extractedNRNo studies
Chinese herbal medicine (CHM) vs clomiphene
Live birth rate · subfertile women with PCOS
Chinese herbal medicine for subfertile women with polycystic ovarian syndrome (2021) · Cochrane
no estimate extractedNRNo studies
Chinese herbal medicine (CHM) plus laparoscopic ovarian drilling (LOD) vs LOD
Live birth · subfertile women with PCOS
Chinese herbal medicine for subfertile women with polycystic ovarian syndrome (2021) · Cochrane
no estimate extractedNRNo studies