Dog Giving Birth
The first heat of a female dog is apparent between the 8th and 10th and sometimes even in the 12th month, variable depending on the animal and breed. This repeats every five to six months, also variable. The procreation period in a dog is about 58 to 63 days approximately. Birth is divided into stages are periods. Some hours before the birth pains, the vagina dilates and becomes soft, and you can observe a discharge of mucus. Sometimes, some drops of milk.
The first period is characterized by a series of spasmodic and irregular contractions of the abdominal muscles; they are neither powerful nor rhythmic, but they help with the relaxation and dilatation of the lower part of the uterus and vagina, so that the puppy can emerge. The birth channel becomes soft and dilates, segregating a lot of mucus that act like a lubricant. Following that, there are contractions until the opening of the uterus and vagina are completely dilated. This period can last from one hour to one day, but if it goes beyond a day, you must urgently go to the vet. When the dog enters the second period, the situation changes completely; the irregular and hardly perceptible contractions become powerful and rhythmic. With every rhythmic and more powerful contraction, the uterus pushes the fetus towards the vagina and the vagina outside, producing what we generally know as birth.
In normal births, the puppy is preceded by water bags, which appear in the vulva, disappear and reappear with every contraction, until it breaks, releasing the amniotic liquid. The puppy must come immediately, presenting, in a normal birth, the head crouched against his chest inside the membrane. The puppy appears by the vulva, disappears and finally goes through the vulva without any problems. There is generally another pause, until the tissues are prepared for a greater distention and for the following effort. The thorax and shoulders are now in that notice of the mother, and are directed through by the harder and more painful contractions that occurred during the process. When this part of the fetus is already more than half way through, there is a more energetic and painful effort than the rest, the one that pushes the complete body towards the exterior. The fetuses are generally boring inside their membranes, which are torn open and licked by the mother, at the same time that she's biting off the umbilical cord. Generally the other puppies can come one after another with small intervals, or the late many hours. It are the days are long, there might be a physical or mechanical disablement, which means you should immediately call the vet. The puppies are not always well situated for birth as they might be standing up or in an awkward position. The veterinarian must be able to put the puppies in the correct position and enable birth; otherwise, the worse can happen: the death of the mother and puppies. Also, at times, the puppies take longer than normal to start breathing, so you have to help them. You can hold them by their back legs (head down), previously having cleaned the mucus from the nose and mouth with a sterile gauze, and blow into the nose and mouth (artificial respiration), but softly, until respiration starts. You might also have to try giving the puppy soft strokes between the shoulder blades so as to get the heart to beating. Never try to pull out a puppy that is "halfway through". It there is no other remedy, did not do it when the mother is relaxed. All he can do is help by holding the puppy's head with a hand (using a sterile glove) and with every contraction of the mother makes, make a soft traction following the mother's rhythm. But the most convenient thing would be for the vet to be present. The placenta needs to be ousted immediately after the last puppy comes out. The longer it stays inside the womb, the more chances there are of the mother getting infected and the longer it takes for that organ to recuperate.
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