What are the first signs of pregnancy in the mouth?

First Signs of Pregnancy: A Metallic Taste in Your Mouth?

You might not expect your mouth to give away early signs of pregnancy, but for many women, that’s exactly what happens. One of the more surprising early symptoms is a sudden change in taste—known medically as dysgeusia. If you’re suddenly cringing at the taste of coffee you used to love, or finding yourself drawn to pickles and lemons you’d normally avoid, pregnancy hormones could be the culprit.

Estrogen and other hormonal shifts in early pregnancy are believed to alter your sense of taste. This can create a persistent metallic or sour flavor, even when you’re not eating anything. Some women describe it as feeling like they have a penny on their tongue. It’s not dangerous—just strange and a little unsettling if you don’t know what’s causing it.

This taste disturbance often shows up in the first trimester, usually around week 5 or 6—sometimes even before a missed period. While it’s not as widely discussed as morning sickness or fatigue, many women quietly experience it. The good news? Like most early pregnancy symptoms, it tends to fade as your body adjusts, often by the second trimester.

If you're noticing a sudden metallic bite in your mouth or a weird aversion to your favorite foods, it might be worth taking a test—especially if other signs, like tender breasts or fatigue, are tagging along. Your mouth, believe it or not, might be whispering what your body hasn’t yet confirmed.

It’s just one of the many subtle, sometimes odd, ways your body begins adapting to growing a new life—long before you start showing.