OBJECTIVE: To compare maternal complications in pregnant women with a positive diagnosis of acute and past COVID-19 attended in two health facilities in Metropolitan Lima, Peru. MATERIALS AND METHODS: Descriptive, analytical and retrospective study carried out in pregnant patients attended in two maternal and child centers of Metropolitan Lima from June to December 2020 in whom the COVID-19 antibody test was applied. The data collected were transferred to a matrix of the SPSS 25 program and analyzed with Fisher's exact test, calculation of odds ratio and 95%CI. RESULTS: 177 pregnant women with a positive report to a rapid One Step test for Novel Coronavirus (2019-nCov) IgM/IgG Antibody (Colloidal Gold) were analyzed. Most had past infection with IgG alone (50.0%), followed by acute infection with IgM and IgG (43.2%). Only 6.8% had early-stage infection, identified only with IgM. The only complication with significant difference between COVID-19 positive pregnant women with acute infection and past infection was premature rupture of membranes, with a value of p = 0.019 with Fisher's exact test. The most frequent maternal complication was premature rupture of membranes with 16.4%, and delivery was terminated by cesarean section in 27.7%. Only a significant association was found between acute infection and premature rupture of membranes (p = 0.019; OR = 2.563 CI95%: 1.115-5.892). CONCLUSION: Premature rupture of membranes was the only maternal complication that had a significant association with acute COVID-19 infection during pregnancy.