Clinical Research Directory

Inclusion Criteria: * Common criteria : * Subject\>18 years and \<45 years, * Written informed consent of the subject, * Subject affiliated to the Assurance Maladie (French Health System) except Aide Médicale d'Etat (French State Medical Aid), * Subject agrees that genomic analyses may be carried out on the samples * Specific criteria : * For pregnant women:Third trimester of pregnancy (between 29-37 weeks of amenorrhea). * For HS subjects: Subject with hidradenitis suppurativa lesions at the sampling sites. Exclusion Criteria: * Common criteria : * Subject immunocompromised, * Subject under legal protection (guardianship or curatorship), * Subject is unable to provide informed consent and to comply with the study requirements due to geographical, social, or psychiatric reasons, * Subject in other research whose procedures may influence the immune system, * Contraindication to any of medications listed in section 5.1 (antiseptic and local anesthetic used for biopsy(ies)), * Subject whose health condition does not permit participation in study procedures. * Specific criteria : * For no HS subjects : Scarred skin at the biopsy site, Subject with pre-existing and/or still active inflammatory skin conditions, Subject experiencing early menopause (women) or andropause (men).