3cm only 35 weeks pregnant HELP

dess

I just got checked n I’m about 2-3 cm dilated n this is my third baby n she is weighing at 6Ibs and 15Oz is this normal??? Or are my dates wrong. I failed my one hour test n passed my three hour but my doctor is telling me I could have a big baby cus even though it came back negative it could b positive! Help me