Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

111 questions · 123 findings · 10 reviews · Gynaecology and Fertility

No studies found 21 · 17.1%GRADE not reported 1 · 0.8%Very low 34 · 27.6%Low 49 · 39.8%Moderate 18 · 14.6%High 0 · 0%

Transdermal oestrogens vs oral oestrogens

Clinical pregnancy rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes

Transdermal oestrogens showed no clear difference in clinical pregnancy rate compared with oral oestrogens (low certainty).

1 finding from 1 review

Dose comparison: oestrogen 100 µg patch vs 200 µg patch plus progestogen

Withdrawals due to adverse events · women with PMS

It is very uncertain whether dose comparison: oestrogen 100 µg patch changes adverse events ‐ withdrawal rates over 8 months' compared with 200 µg patch plus progestogen (very low certainty).

1 finding from 1 review

Oestrogen in combination with progestogen (sequential or continuous) vs placebo

Withdrawals due to adverse events · women with PMS

It is very uncertain whether oestrogen in combination with progestogen (sequential or continuous) changes withdrawal due to adverse events over 2 to 4 menstrual cycles1 compared with placebo (very low certainty).

1 finding from 1 review

Oestrogen in combination with progestogen (sequential or continuous) vs placebo

Specific adverse events · women with PMS

It is very uncertain whether oestrogen in combination with progestogen (sequential or continuous) changes specific adverse events over 2 to 4 menstrual cycles1 compared with placebo (very low certainty).

1 finding from 1 review