They are in heat for about 14 days 5-7 is bleeding they can be in heat without you knowing my dog was done pregnant before I knew she was in heat
How Long Does A Dog's Heat Cycle Last?
Female dog are in heat 21 days 7 days going in 7 days in 7 days going out.
My dog been in heat she started the 6th of march is tho bleeding
Usually up to two weeks or less