What do systematic reviews say?

Aspirin vs placebo

The review found no eligible studies for this question.

• Aspirin or heparin or both for improving pregnancy outcomes in women with persistent antiphospholipid antibodies and… 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Heparin plus aspirin vs aspirin

• Aspirin or heparin or both for improving pregnancy outcomes in women with persistent antiphospholipid antibodies and… 2020 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 182 participants
  GRADE not reported