Risk factors for pregnancy failure in patients with antiphospholipid antibody positivity and prior pregnancy losses: A retrospective study.

•Prior pregnancy losses ≥3 is a risk factor for pregnancy failure in patients with aPL and prior pregnancy losses.•Maternal age ≥35 years is a risk factor for pregnancy failure in patients with aPL and prior pregnancy losses.•No treatment is a risk factor for pregnancy failure in patients with aPL and prior pregnancy losses.