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[This corrects the article doi 10.1590/S0004-282X1993000100002].The objective was to assess the availability of inputs for reproductive planning in basic healthcare units (UBS in Portuguese) that participated in the National Program for Improvement of Access and Quality of Basic Care (PMAQ-A and their distribution according to contextual factors. A comparative study was conducted of the three cycles of the PMAQ-AB (2012, 2014, and 2018). The study assessed the availability in the UBS of ethynyl-estradiol + levonorgestrel, norethisterone