Background: Obstetric complications developing at antiphospholipid syndrome are serious medical-social problem. Seeking of the treatment methods sets conditions for urgency of the article reviewed. Enzyme preparations are widely applied for treatment of women with fecundity disorder and hemorheology changes. Research objective was in clinico-laboratorial evaluation of Serrata drug impact in antiphospholipid syndrome in women with reproductive losses of Andijan state. Methods: Data of 43 women in the non-pregnancy state with reproductive losses (RL) in past history with revealed APS had been studied by us. Results: Thus, conducted therapy with Serrata was conductive to haemostasis. Conducted researches confirm the safety of application., Gulnoza Maniyozova, Habiba Negmatshaeva, Ozoda Yuldasheva, Gulnoza Turaeva, Dilfura Parpieva, and Literatura