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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.
2,653 questions in 194 reviews · Gynaecology and Fertility
current versionsNo 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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Intrauterine infusion/injection of autologous platelet‐rich plasma vs no intervention or placebo Adverse events: preterm delivery · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 8.02 [1.72, 37.33] | 1 study · 120 participants | Low |
Intrauterine infusion of autologous platelet‐rich plasma vs intrauterine infusion of granulocyte colony‐stimulating factor Live birth (or ongoing pregnancy · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 0.88 [0.43, 1.81] | 1 study · 132 participants | Very low |
Intrauterine infusion of autologous platelet‐rich plasma vs intrauterine infusion of granulocyte colony‐stimulating factor Miscarriage · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 1.94 [0.63, 5.96] | 1 study · 132 participants | Very low |
Intrauterine infusion of autologous platelet‐rich plasma vs intrauterine infusion of granulocyte colony‐stimulating factor Clinical pregnancy · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 1.24 [0.66, 2.35] | 2 studies · 172 participants | Very low |
Intrauterine infusion of autologous platelet‐rich plasma vs intrauterine infusion of granulocyte colony‐stimulating factor Adverse events · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | no estimate extracted | NR | No studies |
Intraovarian injection of autologous platelet‐rich plasma vs no intervention Ongoing pregnancy · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 1.09 [0.33, 3.63] | 1 study · 73 participants | Very low |
Intraovarian injection of autologous platelet‐rich plasma vs no intervention Miscarriage · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | no estimate extracted | NR | No studies |
Intraovarian injection of autologous platelet‐rich plasma vs no intervention Clinical pregnancy · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 0.9 [0.31, 2.6] | 1 study · 73 participants | Very low |
Intraovarian injection of autologous platelet‐rich plasma vs no intervention Adverse events · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | no estimate extracted | NR | No studies |
Intrauterine injection of autologous platelet‐rich plasma vs no intervention Miscarriage · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 0.96 [0.13, 7.09] | 1 study · 94 participants | Very low |
Intrauterine injection of autologous platelet‐rich plasma vs no intervention Clinical pregnancy · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 1.55 [0.64, 3.76] | 1 study · 94 participants | Very low |
Intrauterine injection of autologous platelet‐rich plasma vs no intervention Adverse events: ectopic pregnancy · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 2.94 [0.12, 73.95] | 1 study · 94 participants | Very low |
Intrauterine infusion/injection of autologous platelet‐rich plasma vs no intervention or placebo Live birth (or ongoing pregnancy) · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 2.38 [1.16, 4.86] | 6 studies · 564 participants | Very low |
Intrauterine infusion/injection of autologous platelet‐rich plasma vs no intervention or placebo Miscarriage · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 1.54 [0.59, 4.01] | 5 studies · 504 participants | Very low |
Intrauterine infusion/injection of autologous platelet‐rich plasma vs no intervention or placebo Clinical pregnancy · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 2.22 [1.5, 3.27] | 9 studies · 824 participants | Very low |
Intrauterine infusion/injection of autologous platelet‐rich plasma vs no intervention or placebo Adverse events: multiple pregnancy · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 2.68 [0.81, 8.88] | 2 studies · 240 participants | Very low |
Intrauterine infusion/injection of autologous platelet‐rich plasma vs no intervention or placebo Adverse events: ectopic pregnancy · women undergoing assisted reproduction Autologous platelet‐rich plasma for assisted reproduction (2024) · Cochrane | OR 2.94 [0.12, 73.95] | 1 study · 94 participants | Very low |
Summary of findings table ‐ ICSI vs c‐IVF Live Birth · : Couples with males presenting normal total sperm count and motility were included in this review. Intracytoplasmic sperm injection versus conventional in vitro fertilisation in couples with males presenting… (2023) · Cochrane | RR 1.11 [0.94, 1.3] | 2 studies · 1124 participants | Low |
Summary of findings table ‐ ICSI vs c‐IVF Multiple Pregnancy · : Couples with males presenting normal total sperm count and motility were included in this review. Intracytoplasmic sperm injection versus conventional in vitro fertilisation in couples with males presenting… (2023) · Cochrane | RR 0.89 [0.66, 1.2] | 2 studies · 1479 participants | Moderate |
Summary of findings table ‐ ICSI vs c‐IVF Ectopic Pregnancy · : Couples with males presenting normal total sperm count and motility were included in this review. Intracytoplasmic sperm injection versus conventional in vitro fertilisation in couples with males presenting… (2023) · Cochrane | RR 1 [0.42, 2.38] | 1 study · 1064 participants | Moderate |
Summary of findings table ‐ ICSI vs c‐IVF Pre‐Eclampsia · : Couples with males presenting normal total sperm count and motility were included in this review. Intracytoplasmic sperm injection versus conventional in vitro fertilisation in couples with males presenting… (2023) · Cochrane | RR 1 [0.06, 15.95] | 1 study · 1064 participants | Moderate |
Summary of findings table ‐ ICSI vs c‐IVF Prematurity · : Couples with males presenting normal total sperm count and motility were included in this review. Intracytoplasmic sperm injection versus conventional in vitro fertilisation in couples with males presenting… (2023) · Cochrane | RR 0.75 [0.53, 1.06] | 1 study · 1064 participants | Moderate |
Summary of findings table ‐ ICSI vs c‐IVF Clinical Pregnancy · : Couples with males presenting normal total sperm count and motility were included in this review. Intracytoplasmic sperm injection versus conventional in vitro fertilisation in couples with males presenting… (2023) · Cochrane | RR 1 [0.88, 1.13] | 3 studies · 1539 participants | Low |
Summary of findings table ‐ ICSI vs c‐IVF Viable intrauterine Pregnancy · : Couples with males presenting normal total sperm count and motility were included in this review. Intracytoplasmic sperm injection versus conventional in vitro fertilisation in couples with males presenting… (2023) · Cochrane | RR 1 [0.86, 1.16] | 2 studies · 1479 participants | Moderate |
Summary of findings table ‐ ICSI vs c‐IVF Miscarriage · : Couples with males presenting normal total sperm count and motility were included in this review. Intracytoplasmic sperm injection versus conventional in vitro fertilisation in couples with males presenting… (2023) · Cochrane | RR 0.96 [0.58, 1.61] | 1 study · 1064 participants | Moderate |
Combined OCP vs placebo or no treatment Pain score ( · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | no estimate extracted | 6 studies · 588 participants | High |
Combined low‐dose OCP vs another combined low‐dose OCP Absence from work or school · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | RR 1.12 [0.64, 1.99] | 1 study · 445 participants | Very low |
NSAID vs combined OCP Pain score (measured on VAS; 0–100; lower score is better) · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | no estimate extracted | 1 study · 91 participants | Low |
NSAID vs combined OCP Pain improvement · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
NSAID vs combined OCP Adverse events · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
NSAID vs combined OCP Requirement for additional medication · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
NSAID vs combined OCP Absence from work or school · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
Combined OCP vs placebo or no treatment Pain improvement (assessed as improvement from 1 major category to next) · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | RR 1.65 [1.29, 2.1] | 6 studies · 717 participants | Low |
Combined OCP vs placebo or no treatment Adverse events · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | RR 1.31 [1.2, 1.43] | 7 studies · 1025 participants | Moderate |
Combined OCP vs placebo or no treatment Requirement for additional medication · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | RR 0.63 [0.4, 0.98] | 2 studies · 163 participants | Low |
Combined OCP vs placebo or no treatment Absence from work or school · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | RR 0.63 [0.41, 0.97] | 2 studies · 148 participants | Low |
Combined low‐dose OCP vs another combined low‐dose OCP Pain score ( · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | no estimate extracted | 2 studies · 106 participants | Low |
Combined low‐dose OCP vs another combined low‐dose OCP Pain improvement · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | RR 1.06 [0.65, 1.74] | 1 study · 326 participants | Moderate |
Combined low‐dose OCP vs another combined low‐dose OCP Adverse events for continuous vs standard regimen OCP · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | RR 1.11 [1.01, 1.22] | 3 studies · 602 participants | Low |
Combined low‐dose OCP vs another combined low‐dose OCP Requirement for additional medication · women with primary dysmenorrhoea Combined oral contraceptive pill for primary dysmenorrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
IVF vs expectant management Live birth per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | OR 22 [2.56, 189.37] | 1 study · 51 participants | Very low |
IVF vs unstimulated IUI Miscarriage rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | OR 1.72 [0.14, 21.25] | 1 study · 43 participants | Very low |
IVF vs IUI + ovarian stimulation with gonadotropins or CC Live birth rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | OR 1.19 [0.87, 1.61] | 3 studies · 731 participants | Low |
IVF vs IUI + ovarian stimulation with gonadotropins or CC Clinical pregnancy rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | OR 1.17 [0.85, 1.59] | 3 studies · 731 participants | Low |
IVF vs IUI + ovarian stimulation with gonadotropins or CC Multiple pregnancy rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | OR 0.82 [0.38, 1.77] | 3 studies · 731 participants | Low |
IVF vs IUI + ovarian stimulation with gonadotropins or CC OHSS rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | OR 6.86 [0.35, 134.59] | 1 study · 207 participants | Very low |
IVF vs IUI + ovarian stimulation with gonadotropins or CC Miscarriage rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | OR 0.31 [0.03, 3.04] | 1 study · 207 participants | Very low |
IVF vs expectant management Clinical pregnancy rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | OR 3.24 [1.07, 9.8] | 2 studies · 86 participants | Very low |
IVF vs expectant management Multiple pregnancy rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | no estimate extracted | NR | No studies |
IVF vs expectant management OHSS rate per woman randomised · women with unexplained subfertility In vitro fertilisation for unexplained subfertility (2023) · Cochrane | no estimate extracted | NR | No studies |