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  1. merriam-webster.com
    https://www.merriam-webster.com/dictionary/obstetric

    Obstetric Definition & Meaning - Merriam-Webster

  2. clevelandclinic.org
    https://my.clevelandclinic.org/health/articles/22303-obs

    What Is an Obstetrician? What They Do & When To See One

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