What do systematic reviews say?

Non‐pharmaceutical interventions vs non‐pharmacological intervention

It is very uncertain whether non‐pharmacological intervention changes clinical pregnancy compared with non‐pharmacological intervention (very low certainty).

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  OR 11 [0.43, 284]
  1 study · 11 participants
  Very low

Non‐pharmaceutical interventions vs non‐pharmacological intervention

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 11 participants
  Very low

Non‐pharmaceutical interventions vs non‐pharmacological intervention

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 11 participants
  Very low

Non‐pharmaceutical interventions vs non‐pharmacological intervention

It is very uncertain whether non‐pharmacological intervention changes live birth compared with non‐pharmacological intervention (very low certainty).

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  OR 11 [0.43, 284]
  1 study · 11 participants
  Very low

Non‐pharmaceutical interventions vs non‐pharmacological intervention

The review found no eligible studies for this question.

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Non‐pharmaceutical interventions vs placebo or no intervention

Non‐pharmacological intervention showed no clear difference in live birth compared with no intervention or placebo (low certainty).

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  OR 0.85 [0.65, 1.12]
  3 studies · 917 participants
  Low

Non‐pharmaceutical interventions vs placebo or no intervention

Non‐pharmacological intervention showed no clear difference in ongoing pregnancy compared with no intervention or placebo (low certainty).

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  OR 0.81 [0.58, 1.13]
  1 study · 564 participants
  Low

Non‐pharmaceutical interventions vs placebo or no intervention

It is very uncertain whether non‐pharmacological intervention changes miscarriage compared with no intervention or placebo (very low certainty).

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  OR 1.54 [0.99, 2.39]
  3 studies · 917 participants
  Very low

Non‐pharmaceutical interventions vs placebo or no intervention

Non‐pharmacological intervention showed no clear difference in clinical pregnancy compared with no intervention or placebo (low certainty).

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  OR 1.06 [0.81, 1.4]
  3 studies · 917 participants
  Low

Non‐pharmaceutical interventions vs placebo or no intervention

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 305 participants
  Low

Non‐pharmaceutical interventions vs placebo or no intervention

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 43 participants
  Very low

Non‐pharmaceutical interventions vs placebo or no intervention

The review found no eligible studies for this question.

• Pharmacological and non‐pharmacological strategies for obese women with subfertility 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found