Findings

What do systematic reviews say?

5 questions · 5 findings · 1 reviews

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No studies found 1 · 20%GRADE not reported 0 · 0%Very low 1 · 20%Low 3 · 60%Moderate 0 · 0%High 0 · 0%

Natural cycle FET vs modified natural cycle FET (HCG trigger)

Live birth rate per woman · subfertile women

It is very uncertain whether natural cycle FET changes live birth rate per woman compared with modified natural cycle FET (HCG trigger) (very low certainty).

1 finding from 1 review

Cycle regimens for frozen‐thawed embryo transfer 2017 · Cochrane Headline outcomes only
OR 0.55 [0.16, 1.93]
1 study · 60 participants
Very low

Natural cycle FET vs HT FET

Live birth rate per woman · subfertile women

The review found no eligible studies for this question.

1 finding from 1 review

Cycle regimens for frozen‐thawed embryo transfer 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Natural cycle FET vs HT + GnRHa FET

Live birth rate per woman · subfertile women

Natural cycle FET showed no clear difference in live birth rate per woman compared with HT plus GnRHa suppression FET (low certainty).

1 finding from 1 review

Cycle regimens for frozen‐thawed embryo transfer 2017 · Cochrane Headline outcomes only
OR 0.77 [0.39, 1.53]
1 study · 159 participants
Low

Modified natural cycle FET (HCG trigger) vs HT FET

Live birth rate per woman · subfertile women

Modified natural cycle FET (HCG trigger) showed no clear difference in live birth rate per woman compared with HT FET (low certainty).

1 finding from 1 review

Cycle regimens for frozen‐thawed embryo transfer 2017 · Cochrane Headline outcomes only
OR 1.34 [0.88, 2.05]
1 study · 959 participants
Low

Modified natural cycle FET (HCG trigger) vs HT + GnRHa FET

Live birth rate per woman · subfertile women

Modified natural cycle FET (HCG trigger) showed no clear difference in live birth rate per woman compared with HT + GnRHa suppression FET (low certainty).

1 finding from 1 review

Cycle regimens for frozen‐thawed embryo transfer 2017 · Cochrane Headline outcomes only
OR 1.11 [0.66, 1.87]
1 study · 236 participants
Low