Any advice or suggestions please 🙏

My last period was the 1st April. And my normal cycle is 28days.

I’m currently 22 days late. Done pregnancy test but can back negative🤷‍♀️ I have some of the symptoms such as sickness/feeling sick, breast sore and tender. I’m also having to take naps throughout the day..

can anyone help me or suggestion anything else?❤️