Could I still be pregnant??

Kt
CD 35 13dpo, 4 days late on period, negative tests. Still a chance of being pregnant? Please be nice! We have been trying for over a year. ❤️
Symptoms:
Mild cramps
Metallic taste in mouth for only a day or two
Tired...very tired
Increased smell sensitivities (smells are like 10 times more intense than normal)
Increased CM