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American College of Obstetricians and Gynecologists.https://www.acog.org/womens-health/faqs/genetic-disordersOpens a new window[Accessed June 2023]

ACOG.

Prenatal genetic diagnostic tests.

American College of Obstetricians and Gynecologists.https://www.acog.org/womens-health/faqs/Prenatal-Genetic-Diagnostic-TestsOpens a new window[Accessed June 2023]

ACOG.

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Prenatal genetic screening tests.https://www.acog.org/womens-health/faqs/Prenatal-Genetic-Screening-TestsOpens a new window[Accessed June 2023]

Johns Hopkins Medicine.

Common tests during pregnancy.https://www.hopkinsmedicine.org/health/wellness-and-prevention/common-tests-during-pregnancy#secondOpens a new window[Accessed June 2023]

Mayo Clinic.

Quad screen.https://www.mayoclinic.org/tests-procedures/quad-screen/about/pac-20394911Opens a new window[Accessed June 2023]

Medline Plus.

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Quadruple screen test.https://medlineplus.gov/ency/article/007311.htmOpens a new window[Accessed June 2023]

Merck Manual 2022.

Overview of genetic disorders.https://www.merckmanuals.com/home/women-s-health-issues/detection-of-genetic-disorders-before-and-during-pregnancy/overview-of-genetic-disorders/Opens a new window[Accessed June 2023]

woman having an amnio

woman having a CVS test

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medical illustration of placenta accreta, increta, and percreta

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Karen Miles