Has she started nesting, eating and drinking less? If so she is in the first stage of labor. Especially at (now) 65 days.
My pregnant dog lost her mucus plug 4 days ago and is 64 days pregnant?
Female dogs normally go 66 days of pregnancy before giving birth
Dogs don't have a mucous plug to pass and they are pregnant on average for 62-64 days. If she has had fluid passed vaginally, the sacs around on of the pups has likely ruptured. I strongly recommend contacting your veterinarian.
