Heartburn

Is heartburn an early sign of pregnancy? I have so many signs.

Ill be a week late tomorrow and getting negatives.

Sore boobs, lower very mild cramps, extreme tiredness, emotional, gas, constipation, dizziness, nauseous but still... no positives. 🤦🏻‍♀️🤦🏻‍♀️🤦🏻‍♀️