Book your MSP to HNL flights with Expedia and find last-minute Minneapolis to Honolulu airfare.
The symptoms of a dog's first heat are the same as any other heat and include swelling of the vulva and bloody vaginal discharge. Female dogs may urinate more frequently when in heat or develop other behavioral changes. Continue Reading.
Step 1. Watch for early signs that your dog is coming into heat. A heat period lasts about 21 days. During the first 11 or so days, the proestrus, the female will first display a blood-red discharge that may not initially be highly noticeable, and you may miss it if you are not watching for it.