Progesterone is a natural chemical produced by womenâs bodies. Its function at every level is tied to the reproductive system. Progesterone comes from the empty egg follicle in womenâs bodies after ovulation. This process is known as: corpus luteum.
Your little boy dog isn't born with his testes in his scrotum, but they should get there before too long. If they don't, he'll require surgery. The age at which his balls actually drop varies from dog to dog, but it should occur by the age of 2 months. When a male puppy is born, his testicles are near his inguinal ring. By the time he's a week to 10 days old, they should descend into the scrotal pouch. An animal's body is too hot for sperm production, so the testicles must descend outside to become fertile.
Female dogs in heat also have a swollen vulva with bloody discharge. The discharge becomes clear in color when the female is ready to begin breeding. Although female pit bulls stay in heat for approximately 18 to 21 days, they will only attract the attention from male dogs for half of that time, according to WebMD. The primary way to eliminate the chances of an unwanted pregnancy in pit bulls is to have them spayed as early as possible.