My Maternity Choices - Screening Menu First trimester Screening The fourth trimester The early days Fourth trimester and beyond Screening https://bswtogether.org.uk/maternity/pregnancy/tests-in-pregnancy/ https://www.gov.uk/government/publications/screening-tests-for-you-and-your-baby https://www.gov.uk/government/publications/screening-tests-for-you-and-your-baby/11-physical-conditions-20-week-scan
