Role of Low-Molecular-Weight Heparin in Unexplained Recurrent Pregnancy Loss

Inclusion Criteria: * Pregnant females between 18 and 44 years of age * Gestational age above 8 weeks * A history of ≥3 consecutive first trimester pregnancy losses Exclusion Criteria: * Patients with systemic lupus erythematosus * Positive IgG and IgM anticardiolipin antibodies * Positive for thrombophilia screening * Any platelet function abnormality or a previous thromboembolic event requiring anticoagulant therapy (including heparin, aspirin or warfarin) * Sensitive to acetylsalicylic acid, heparin, or warfarin * Patients with any genetic, anatomical, or hormonal cause of recurrent pregnancy loss