In particular, macrophage chemokines, referred to as major components of the cytokine storm during COVID-19 (Jafarzadeh et al., 2020), including macrophage inflammatory protein 1-alpha (MIP1α), CTACK, RANTES, eotaxin, growth-related oncogene alpha (GRO-α), and TNF were found at significantly low levels in pregnant patients. This evidence concerns the gene CCL3 and COVID-19.