Scaling a Decision Aid on Prenatal Screening for Trisomy 21, 18 and 13

Inclusion Criteria: • Prenatal services (study sites) : To be eligible, prenatal services must * be located in Quebec province * be family medicine groups, gynecology and obstetrics departments or birth centers, other type of health facility involved in prenatal care * agree to participate in our study including the recruitment of approximately 35 pregnant women over a total period of 50 weeks * confirm that they will follow the research protocol. * Health professionals To be eligible, health professionals must: * be involved in prenatal care and working in a site participating in this study * be involved in the follow-up of pregnancies * be involved in the decision-making process in the context of prenatal screening for trisomiy 21, 18 and 13, * be referred by their prenatal service * understand French or English, * consent to participate in the study * medical residents and interns in midwifery practice, referred by participating prenatal service, are eligible too. • Pregnant women and their partners To be eligible, pregnant women and their partners must * be 18 years of age or older * have not yet decided whether or not to have prenatal testing for trisomy 21, 18 or 13 (usually before 13 weeks of pregnancy) * be followed in one of the prenatal services participating in this study * be able to read and understand French or English * have the capacity to verbally consent to participate in the study or sign the consent form Exclusion Criteria: * Pregnant women and…