Effects of VX-407 on the Pharmacokinetics of Oral Contraceptives in Healthy Participants

Inclusion Criteria: * Body mass index (BMI) of 18.0 to 30.0 kilogram per meter square (kg/m\^2) * A total body weight of greater than (\>) 50 kg * Nonsmoker or ex-smoker for at least 12 months before screening * Oral contraceptive naïve or able to comply with 28-day or 5 half-lives (whichever is greater) washout before the start of Period 1 (6-month washout for Depo-Provera) Exclusion Criteria: * History of febrile illness within 5 days before the first dose of study drug * Relative contraindications to hormonal estrogen therapy that, in the opinion of the investigator, might confound the results of the study or pose an additional risk in administering study drug to the participant * Any condition possibly affecting drug absorption, distribution, metabolism, or excretion * Pregnant, nursing, or planning to become pregnant during the study or within 90 days after the last dose of study drug * Menopausal, post-menopausal, or documented bilateral oophorectomy and/or hysterectomy * Previously received study drug in this study Other protocol defined Inclusion/Exclusion criteria may apply.