Objective:

To determine the factors associated with the refusal of postpartum contraception in a Public Hospital, 2021.

Methods:

Observational, analytical, cross-sectional study; included 251 immediate postpartum women treated in a Public Hospital between May and June 2021. The main variable was rejection of postpartum contraception and associated factors: sociodemographic, obstetric, personal-cultural, and institutional. A valid and reliable questionnaire was used. In addition, Pearson's Chi-square test and Poisson's regression were used for statistical analysis and the Ethics Committee was approved.

Results:

16.7% rejected modern contraceptives. Low educational level (p < 0.011; PRa: 4.51; CI: 1.42-14.35), the perception of a bad economic situation (p = 0.001; RPa: 3.65; CI: 1.72-7.76), complications during labor and two hours postpartum (p = 0.041; PRa: 8.16; CI: 1.09-61.19), planned pregnancy (p = 0.002; PRa: 2.51; CI: 1.38-4.55), negative experience of contraception (p = 0.000; PRa: 11.26; CI: 5.85-21.66), the negative attitude of the partner (p = 0.006; RPa: 4.90; CI: 1.57-15.31) and the perception of insufficient knowledge about contraception (p = 0.049; RPa: 0.53; CI: 0.28-0.996); were associated with contraceptive rejection in the postpartum period.

Conclusions:

Low educational level, perception of a poor economic situation, complications during labor and two hours postpartum, planned pregnancy, negative contraceptive experience, negative partner attitude, are associated with postpartum contraceptive rejection; The perception of insufficient knowledge about contraception was associated with a decrease in rejection.