Topic: canker sores
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July 17th, 2009, 08:36 AM
rebeccabaltimore and more's Avatar
rebeccabaltimore and more rebeccabaltimore and more is offline
Join Date: Feb 2009
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I got canker sores early in pregnancy with Ethan! They show up when hormone levels fluctuate, whether up or down. My mom had the same problem with all 3 of her pregnancies.

I'm pretty sure canker sores are caused by a virus. When a woman gets pregnant, her immune system gets a little weaker, to keep from attacking the baby. When your immune system weakens to protect the baby, it also reduces your protection against viruses, like the one that causes canker sores. So you get canker sores. That's how my OB explained it to me.

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