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Evidence found and GRADE certainty

2,510 questions · 2,653 findings · 194 reviews · Gynaecology and Fertility

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No studies found 531 · 20%GRADE not reported 76 · 2.9%Very low 826 · 31.1%Low 855 · 32.2%Moderate 341 · 12.9%High 24 · 0.9%

Nifedipine vs placebo

Bothersome adverse effects · primary dysmenorrhoea

It is very uncertain whether nifedipine changes bothersome adverse effects compared with placebo (very low certainty).

1 finding from 1 review

Nifedipine vs placebo

Requirement for additional medication · primary dysmenorrhoea

It is very uncertain whether nifedipine changes requirement for additional medication compared with placebo (very low certainty).

1 finding from 1 review

Analysis 1 ‐ Oxidised regenerated cellulose vs no treatment at laparotomy

Incidence of adhesions ‐ de novo Incidence at second‐look laparoscopy · women having gynaecological surgery

It is very uncertain whether analysis 2 ‐ Oxidised regenerated cellulose changes incidence of adhesions ‐ de novo Incidence at second‐look laparoscopy compared with no treatment at laparotomy (very low certainty).

1 finding from 1 review

Analysis 1 ‐ Oxidised regenerated cellulose vs no treatment at laparotomy

Incidence of adhesions ‐ re‐formation (or mixture) Incidence at second‐look laparoscopy · women having gynaecological surgery

Analysis 2 ‐ Oxidised regenerated cellulose may leads to lower incidence of adhesions ‐ re‐formation (or mixture) Incidence at… compared with no treatment at laparotomy (low certainty).

1 finding from 1 review

Gore‐Tex vs oxidised regenerated cellulose

Incidence of adhesions ‐ de novo Incidence at second‐look laparoscopy · women having gynaecological surgery

It is very uncertain whether analysis 4 ‐ Expanded polytetrafluoroethylene changes incidence of adhesions ‐ de novo Incidence at second‐look laparoscopy compared with oxidised regenerated cellulose (very low certainty).

1 finding from 1 review

Gore‐Tex vs oxidised regenerated cellulose

Incidence of adhesions ‐ re‐formation (or mixture) Incidence at second‐look laparoscopy · women having gynaecological surgery

It is very uncertain whether analysis 4 ‐ Expanded polytetrafluoroethylene changes incidence of adhesions ‐ re‐formation (or mixture) Incidence at… compared with oxidised regenerated cellulose (very low certainty).

1 finding from 1 review

Analysis 7 ‐ Collagen membrane with polyethylene glycol and glycerol vs Ringer's lactate

Incidence of adhesions ‐ de novo Incidence at second‐look laparoscopy · patients with adhesion prevention after gynaecological surgery

Analysis 7 ‐ Collagen membrane with polyethylene glycol and glycerol may leads to lower incidence of adhesions ‐ de novo Incidence at second‐look laparoscopy compared with ringer's lactate (low certainty).

1 finding from 1 review

Analysis 7 ‐ Collagen membrane with polyethylene glycol and glycerol vs Ringer's lactate

Clinical pregnancy rate · patients with adhesion prevention after gynaecological surgery

It is very uncertain whether analysis 7 ‐ Collagen membrane with polyethylene glycol and glycerol changes clinical pregnancy rate compared with ringer's lactate (very low certainty).

1 finding from 1 review