Table 1

Participant inclusion and exclusion criteria

Inclusion criteria

  • Age (≥18 years)

  • Women whose first trimester of pregnancy falls between February 2021 and February 2022

  • Pregnant women living in the Strasbourg metropolitan area

  • Pregnant women who had registered their pregnancy and received subsequent antenatal care in University Hospitals of Strasbourg singleton pregnancies

  • Women having adequate knowledge of spoken and written french language

Ineligibility criteria

  • Women unwilling or unable to give informed consent

  • Women under the protection of a legal guardian, guardianship, curatorship, etc

  • Women declining to take part

Exclusion criteria

  • Threatened preterm delivery

  • Placenta praevia (low-lying placenta)

  • Pre-eclampsia

  • Pregnant women having the following obstetric pathology in current pregnancy