Early sign??!!

Jacqualine • Cool Mom 👧🏻👧🏻 Kickass Girlfriend ❤️🤟🏻 Baymax 🐶 Baby #3 on the way! 👶🏻🤰🏻
Is heartburn a early sign of pregnancy?
I have had heartburn really bad the past two days and I NEVER have heartburn.
Last time I had heartburn I was pregnant with my first child.