What do systematic reviews say?

Postsurgical medical therapy vs Placebo or no active treatment

• Pre‐ and postsurgical medical therapy for endometriosis surgery 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 53 participants
  Very low

Intervention not reported

The review found no eligible studies for this question.

• Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The intervention showed no clear difference in miscarriage (moderate certainty).

• Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
  OR 1.03 [0.75, 1.41]
  10 studies · 1680 participants
  Moderate

Intervention not reported

The intervention showed no clear difference in cumulative live birth (low certainty).

• Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
  OR 1.05 [0.66, 1.66]
  1 study · 396 participants
  Low

Intervention not reported

The intervention showed no clear difference in live birth rate after the first embryo transfer (low certainty).

• Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
  OR 1.1 [0.68, 1.79]
  1 study · 396 participants
  Low

Intervention not reported

The intervention may leads to lower miscarriage (low certainty).

• Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
  OR 0.45 [0.23, 0.88]
  1 study · 396 participants
  Low

Intervention not reported

The review found no eligible studies for this question.

• Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The intervention showed no clear difference in cumulative live birth (low certainty).

• Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
  OR 0.59 [0.35, 1.01]
  1 study · 408 participants
  Low

Intervention not reported

The intervention probably leads to lower live birth rate after the first embryo transfer (moderate certainty).

• Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
  OR 0.62 [0.43, 0.91]
  10 studies · 1680 participants
  Moderate

Stimulated cycle vs programmed

It is very uncertain whether stimulated cycle changes live birth rate compared with programmed (very low certainty).

• Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
  OR 1.26 [0.49, 3.26]
  1 study · 100 participants
  Very low

Natural cycle vs programmed cycle

It is very uncertain whether natural cycle changes miscarriage rate compared with programmed cycle (very low certainty).

• Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
  OR 0.64 [0.25, 1.63]
  3 studies · 485 participants
  Very low

Natural cycle vs programmed cycle

Natural cycle probably leads to lower cycle cancellation rate compared with programmed cycle (moderate certainty).

• Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
  OR 0.6 [0.44, 0.82]
  1 study · 734 participants
  Moderate

Natural cycle vs programmed cycle

• Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 485 participants
  Low

Natural cycle vs programmed cycle

The review found no eligible studies for this question.

• Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Transdermal oestrogens vs oral oestrogens

The review found no eligible studies for this question.

• Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Transdermal oestrogens vs oral oestrogens

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

• Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
  OR 0.55 [0.27, 1.09]
  2 studies · 414 participants
  Low

Transdermal oestrogens vs oral oestrogens

The review found no eligible studies for this question.

• Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Transdermal oestrogens vs oral oestrogens

The review found no eligible studies for this question.

• Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Transdermal oestrogens vs oral oestrogens

The review found no eligible studies for this question.

• Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Starting administration of the progestogen earlier vs starting administration of the progestogen later

The review found no eligible studies for this question.

• Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found