50% effaced but not dilated?

Meredith • Mother to my rainbow baby girl 10/21/16 and 1 on the way due 1/4/19 🌈🌈
So does this mean baby might be coming soon? I'm 36 w and 2 days. They are doing an ultrasound next week to see how big she is, at 32 weeks she was already estimated at 5lb 7oz!