Chromosome Differences

Chromosome differences are caused by having extra or missing chromosomes. These differences can affect a baby’s development, learning, and health in different ways, and the impact can vary widely from person to person.

PSO Infoline

Our genetic counsellors and clinical content specialist in sonography are available Monday to Friday from 9:00 am - 3:00 pm EST to answer your questions about prenatal screening.

Please note that prenatal screening tests have to be ordered through a health-care provider, and we cannot organize this testing.

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Virtual educational sessions on prenatal screening and nuchal translucency quality assurance are available upon request for health‑care providers.