Epidemiological observatory for fertility in France FRESH-PEF60068-en Rémy SLAMA Epidemiological observatory for fertility in France OBSEFF FRESH-PEF60068-en 60068 FRESH-PEF60068 Rémy SLAMA INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM) Epidemiology France Portal (PEF) AGENCE NATIONALE DE LA RECHERCHE (ANR) AGENCE NATIONALE DE SECURITE SANITAIRE DE L ALIMENTATION DE L ENVIRONNEMENT ET DU TRAVAIL (ANSES) SANTE PUBLIQUE FRANCE null Rémy;SLAMA periods of involuntary sterility medically assisted procreation menstrual cycle characteristics urban Health episodes use pregnancy environment population rural Gynaecology and obstetrics Paediatrics Biological determinants: Genetic predisposition Environmental determinants Socio-demographic and economic determinants Biological determinants To describe fertility, involuntary sterility and the use of medically assisted procreation treatment. To determine the influence of environmental factors (including air pollutants) on couples' fertility. To establish a national surveillance system in the field of reproduction and develop new means of studying the relationship between environment and reproduction. To characterise the use of medically assisted procreation (timeline, couples' treatment path). To identify menstrual cycle characteristics and the environmental influence on these characteristics. null France Individuals General population Female Young Adult (19 to 24 years) Adult (25 to 44 years) Women 18 to 44 years old seeking pregnancy or having unprotected sex. Male partner also enrolled. Participant-reported health data Biological data Health event/morbidity Other [1000-10000[ individuals Interview with the participant (including clinical) Observational Study Observational Study Morbidity registry 1000 Unknown Restricted access Data may be used by academic teams Data may be used by industrial teams Access on specific project only