Table 3.
Randomized and quasirandomized trials evaluating unfractionated heparin and LMWH on in vitro fertilization outcomes
N/A indicates not applicable.
*At least one of MTHFR C677T gene mutation (n = 27), factor V Leiden mutation (n = 5), prothrombin G20210A mutation (n = 5), protein S deficiency or protein C deficiency (n = 3), antithrombin deficiency (n = 1), elevated anticardiolipin antibody titers (n = 11; single test; not repeated), lupus anticoagulant (n = 7; single test; not repeated), or a combination of thrombophilias (n = 22).
