MMP15 and preeclampsia: These included increased expression of Adamts9 (associated with preterm birth; Li et al., 2020), reduced Adamts13 (associated with preeclampsia; Aref and Goda, 2013; Stepanian et al., 2011), and reduced Mmp15 (associated with reduced trophoblast invasion; Majali-Martinez et al., 2020).