Previous Use of Combined Oral Contraception in High Complexity Assisted Reproduction Treatments in Protocol with Oral Progestin - Previous use of COC and ART.

Objective: To evaluate the impact of prior use of combined oral contraceptives in assisted reproduction techniques with ovulation blockade by oral progestin.

Methods: Retrospective cohort study with a single-center convenience sample of patients treated between 2018 and 2021. Two groups were compared: with and without a history of combined oral contraceptives (comparator).