Grace tells PEOPLE she thought her appendix had ruptured during the first episode of severe pain
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<ul><li>Grace, 14, says doctors dismissed her severe pain, claiming she was too young to have endometriosis
</li><li>The teenager described feeling a "stabbing" pain, telling PEOPLE sh… [+4392 chars]
<ul><li>Grace, 14, says doctors dismissed her severe pain, claiming she was too young to have endometriosis
</li><li>The teenager described feeling a "stabbing" pain, telling PEOPLE sh… [+4392 chars]