With my first I had a show and a false start 10 days before she was born when I had and internal they said I was also already 2cm's stretch to 3 cm so... and then it all stopped.
When i lost my plug 10 days later I was so over having braxtons all the time I went to have a BBQ at my MIL place and everything. She'd feel my tummy and say that's a contraction and I'd turn and say no it's not Kepping in mind this was my first and she's had 4 babies so it was funny.
My second birth I had a show just around 9am no contractions till later and my son was born 18h01 so...
But keep yourself busy...
Don't focus too much on timing till they really start having a bit of a bite to them.
Also rememeber to take one of your wet pads to the hospital so they can see if it's amnio water. All the best ,it sounds promising...
Trust the process and keep us posted and like a say to all my moms when they are in labour... Relax your jaw, drop your shoulders, relax your buttocks and wiggle your toes
Keep us posted