Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

77 questions · 80 findings · 9 reviews

No studies found 13 · 16.3%GRADE not reported 0 · 0%Very low 20 · 25%Low 33 · 41.3%Moderate 9 · 11.3%High 5 · 6.3%

Gonadotrophins vs placebo/no treatment

Spontaneous pregnancy rate per couple randomly assigned · Men with idiopathic male factor subfertility

Gonadotrophins probably leads to higher spontaneous pregnancy rate per couple randomly assigned compared with placebo/no treatment (moderate certainty).

1 finding from 1 review

Gonadotrophins with anti‐oestrogens vs gonadotropins alone

Multiple pregnancy rate · intrauterine insemination (IUI) in women with infertility

Gonadotrophins with anti‐oestrogens showed no clear difference in multiple pregnancy rate per couple compared with gonadotropins alone (low certainty).

1 finding from 1 review

Gonadotrophins with anti‐oestrogens vs gonadotropins alone

Clinical pregnancy rate · intrauterine insemination (IUI) in women with infertility

It is very uncertain whether gonadotrophins with anti‐oestrogens changes clinical pregnancy rate per couple compared with gonadotropins alone (very low certainty).

1 finding from 1 review

LOD vs medical interventions

Harms: GI Upset at 6 months ‐ LOD vs metformin + clomiphene N of participants: 332 (2 RCTs) Harms: OHSS rates at 6 months ‐ LOD vs gonadotrophins N of participants: 33 (1 RCT) · Women with symptoms of PCOS

LOD probably leads to lower harms: GI Upset at 6 months ‐ LOD vs metformin + clomiphene N of… compared with medical interventions (moderate certainty).

1 finding from 1 review

Recombinant follicle stimulating hormone vs urinary‐derived gonadotrophins

Live birth rate per woman · ovulation induction in polycystic ovarian syndrome

Recombinant follicle stimulating hormone showed no clear difference in live birth rate per woman compared with urinary‐derived gonadotrophins (low certainty).

1 finding from 1 review

Recombinant follicle stimulating hormone vs urinary‐derived gonadotrophins

Multiple pregnancy rate · ovulation induction in polycystic ovarian syndrome

Recombinant follicle stimulating hormone showed no clear difference in incidence of multiple pregnancy (per woman) compared with urinary‐derived gonadotrophins (low certainty).

1 finding from 1 review

Recombinant follicle stimulating hormone vs urinary‐derived gonadotrophins

Clinical pregnancy rate · ovulation induction in polycystic ovarian syndrome

Recombinant follicle stimulating hormone showed no clear difference in clinical pregnancy rate per woman compared with urinary‐derived gonadotrophins (low certainty).

1 finding from 1 review

Recombinant follicle stimulating hormone vs urinary‐derived gonadotrophins

OHSS · ovulation induction in polycystic ovarian syndrome

It is very uncertain whether recombinant follicle stimulating hormone changes incidence of OHSS per woman compared with urinary‐derived gonadotrophins (very low certainty).

1 finding from 1 review

Monitoring ovarian stimulation by transvaginal ultrasound (TVUS) only vs monitoring with TVUS plus serum estradiol

Clinical pregnancy · Women undergoing ovarian stimulation with gonadotrophins in IVF and ICSI procedures

Monitoring ovarian stimulation by transvaginal ultrasound (TVUS) only showed no clear difference in clinical pregnancy per woman compared with monitoring with TVUS plus serum estradiol (low certainty).

1 finding from 1 review