Sentence: To evaluate the use of low-molecular-weight heparin ( LMWH ) in combination with low-dose aspirin ( LDA ) for the treatment of antiphospholipid antibody (APA)-associated recurrent pregnancy loss and to compare the results with the use of unfractionated heparin ( UFH ) plus LDA .
Drug combination annotation:
[{'class': 'POS', 'spans': ['low-molecular-weight heparin', 'aspirin'], 'is_context_needed': True}]