Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

511 questions · 561 findings · 70 reviews · Gynaecology and Fertility

No studies found 91 · 16.2%GRADE not reported 5 · 0.9%Very low 140 · 25%Low 219 · 39%Moderate 98 · 17.5%High 8 · 1.4%

Oestrogen tablets vs other regimens

Improvement in symptoms (participant‐assessed) (oestrogen tablets vs placebo) · postmenopausal women with vaginal atrophy

Oestrogen tablets may leads to higher improvement in symptoms (participant‐assessed) (oestrogen tablets vs… compared with other regimens (low certainty).

1 finding from 1 review

Intervention not reported

Pain: Acupuncture versus sham or placebo control · women with primary dysmenorrhoea
1 finding from 1 review

Intervention not reported

Adverse effects: Acupressure versus placebo , no treatment or active controls · women with primary dysmenorrhoea

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Adverse events: Acupuncture versus sham or placebo control · women with primary dysmenorrhoea

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Pain: Acupressure versus sham or placebo control · women with primary dysmenorrhoea
1 finding from 1 review

Intervention not reported

Low dose SSRI versus placebo Luteal or continuous administration · women with premenstrual syndrome

The intervention probably leads to higher low dose SSRI versus placebo Luteal or continuous administration (moderate certainty).

1 finding from 1 review

Intervention not reported

Mod dose SSRI versus placebo Luteal or continuous administration · women with premenstrual syndrome

The intervention probably leads to higher mod dose SSRI versus placebo Luteal or continuous administration (moderate certainty).

1 finding from 1 review

Intervention not reported

High dose SSRIs versus placebo Continuous administration · women with premenstrual syndrome

The intervention probably leads to higher high dose SSRIs versus placebo Continuous administration (moderate certainty).

1 finding from 1 review

Metformin vs placebo or no treatment

Clinical pregnancy rate · women with polycystic ovary syndrome

It is very uncertain whether metformin changes clinical pregnancy rate per woman ‐ short protocol GnRH‐antagonist compared with placebo or no treatment (very low certainty).

2 findings from 2 reviews · compare the 2 reviews

Metformin vs placebo or no treatment

Miscarriage · women with polycystic ovary syndrome

Metformin showed no clear difference in miscarriage rate per woman compared with placebo or no treatment (low certainty).

2 findings from 2 reviews · compare the 2 reviews

Intrauterine infusion/injection of autologous platelet‐rich plasma vs placebo or no intervention

Adverse events: preterm delivery · women undergoing assisted reproduction

Intrauterine infusion/injection of autologous platelet‐rich plasma may leads to higher adverse events: preterm delivery compared with no intervention or placebo (low certainty).

1 finding from 1 review

Intrauterine infusion/injection of autologous platelet‐rich plasma vs placebo or no intervention

Live birth or ongoing pregnancy · women undergoing assisted reproduction

It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes live birth (or ongoing pregnancy) compared with no intervention or placebo (very low certainty).

1 finding from 1 review

Intrauterine infusion/injection of autologous platelet‐rich plasma vs placebo or no intervention

Miscarriage · women undergoing assisted reproduction

It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes miscarriage compared with no intervention or placebo (very low certainty).

1 finding from 1 review

Intrauterine infusion/injection of autologous platelet‐rich plasma vs placebo or no intervention

Clinical pregnancy · women undergoing assisted reproduction

It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes clinical pregnancy compared with no intervention or placebo (very low certainty).

1 finding from 1 review

Intrauterine infusion/injection of autologous platelet‐rich plasma vs placebo or no intervention

Adverse event ‐ multiple pregnancy · women undergoing assisted reproduction

It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes adverse events: multiple pregnancy compared with no intervention or placebo (very low certainty).

1 finding from 1 review