Some doctors do it that way and other do it the opposite. Eg. 5/5 would be fully engaged, but other doctors may say 1/5 is fully engaged. It gets a bit confusing. My doctor always went with 5/5 was fully engaged. Fingers crossed she stays put!
My dr refers it to 1/5 being fully engaged. Maybe each hospital/state is different? All I know is she's on her way, and it had better be soon!!! Although for the first time in MONTHS last night I actually had a great sleep, got about 7 hours in