Oral manifestations in women using hormonal contraceptive methods: a systematic review.

"Declarations Ethics aproval and consent to participateNot applicable. Conflict of interestC. M. Garcia-Rojo declares that she has no conflict of interest. MR. Pecci-Lloret declares that he has no conflict of interest. J. Guerrero-Gironés declares that she has no conflict of interest. Conflict of interest C. M. Garcia-Rojo declares that she has no conflict of interest. MR. Pecci-Lloret declares that he has no conflict of interest. J. Guerrero-Gironés declares that she has no conflict of interest."

"Funding No funding was obtained for this study. Open Access funding provided thanks to the CRUE-CSIC agreement with Springer Nature."

"This systematic review was conducted following the PRISMA 2020 guidelines (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) [] and was registered with PROSPERO (International prospective register of systematic reviews) under the identification number CRD42022378210 []. Additionally, the PICO model [] was used to formulate the following research question: What are the oral manifestations present in women of reproductive age using hormonal contraceptives? (P: women of reproductive age using hormonal contraceptives; I: presence of oral manifestations; C: risk of oral manifestations in women of reproductive age using hormonal contraceptives compared with those not using hormonal contraception methods; and O: prevalence of oral manifestations in women of reproductive age using hormonal contraception methods)."