Findings

What do systematic reviews say?

24 questions · 25 findings · 3 reviews

No studies found 5 · 20%GRADE not reported 0 · 0%Very low 12 · 48%Low 6 · 24%Moderate 2 · 8%High 0 · 0%

OHSS · stimulated cycles for subfertile couples

It is very uncertain whether natural cycle IVF changes OHSS per woman compared with standard IVF (very low certainty).

1 finding from 1 review

Natural cycle in vitro fertilisation (IVF) for subfertile couples 2013 · Cochrane Headline outcomes only
OR 0.19 [0.01, 4.06]
1 study · 60 participants
Very low

Clinical pregnancy · stimulated cycles for subfertile couples

Natural cycle IVF showed no clear difference in clinical pregnancy per woman compared with standard IVF (low certainty).

1 finding from 1 review

Natural cycle in vitro fertilisation (IVF) for subfertile couples 2013 · Cochrane Headline outcomes only
OR 0.52 [0.17, 1.61]
4 studies · 351 participants
Low

Ongoing pregnancy · stimulated cycles for subfertile couples

Natural cycle IVF showed no clear difference in ongoing pregnancy per woman compared with standard IVF (moderate certainty).

1 finding from 1 review

Natural cycle in vitro fertilisation (IVF) for subfertile couples 2013 · Cochrane Headline outcomes only
OR 0.72 [0.5, 1.05]
3 studies · 485 participants
Moderate

Multiple pregnancy rate · stimulated cycles for subfertile couples

It is very uncertain whether natural cycle IVF changes multiple pregnancy per woman compared with standard IVF (very low certainty).

1 finding from 1 review

Natural cycle in vitro fertilisation (IVF) for subfertile couples 2013 · Cochrane Headline outcomes only
OR 0.76 [0.25, 2.31]
2 studies · 527 participants
Very low