The Selective Use of Heparin/Aspirin Therapy, Alone or in Combination with Intravenous Immunoglobulin G, in the Management of Antiphospholipid Antibody‐Positive Women Undergoing <i>In Vitro</i> Fertilization

The treatment of APA+ women with H/A alone improves IVF birthrates. This benefit is selective in that it does not apply in cases in which IgG- or IgM-related APAs are directed against PE or PS. In such cases, the addition of IVIg significantly improves the outcome.