How long does pregnancy take in dogs? How many months does pregnancy take in dogs?

Pregnancy in dogs is prolific. Calculate the exact date of birth is very difficult, because the beginning of pregnancy occurs in animals without symptoms or they are not pronounced. There are cases of false pregnancy, in this case, it is easy to take false symptoms as real ones. The date of birth is affected by many factors, one of which is the course of pregnancy. How long does pregnancy take in dogs?

When is the process of conception in dogs?

After the male spermatozoon has merged anda female ovum, a pregnancy occurs in the dog. Ideally, the spermatozoon reaches the egg within an hour after the end of the sexual intercourse. On average, fertilization will take an average of 6-7 days. The further condition of the female depends on its organism. In different breeds the process of ovulation takes place in a different period of time: on the fourth, sixth, eighth day of estrus or in later periods. Therefore, a single insemination is not enough. The female is ready for insemination already on the ninth day of estrus. If the procedure of insemination is performed on the ninth and eleventh day, it is usually enough to conceive this.

Factors affecting the duration of pregnancy in dogs

Most often affect conception and flowpregnancy errors in mating. Many dog owners believe that a single insemination is enough, but they can not correctly determine the date of ovulation. As a result, when mating on the twelfth day due to the shift in the time of ovulation, the pregnancy does not occur in the dog. In this case, both the male and the female are tested for the presence of deviations in the state of health according to various indicators:

previous pregnancy;
the number of offspring in the female and the male;
presence of diseases of reproductive organs;
number of refusals from mating;
the period of proestrus (estrus);
hormonal disorders;
false pregnancy.

The second factor that affects how long it takesPregnancy in dogs is the inability of animals to mate normally. Often it concerns young inexperienced males, which in many gestures may not fully penetrate the inside of the vagina, resulting in sperm flows into the vestibule. Part of the sperm with the die due to the acidic environment, and the rest is not always able to reach the egg. In this case, pregnancy occurs late or does not occur at all. The third factor affecting how much pregnancy lasts in dogs is the poor quality of sperm. Under poor quality means poor sperm motility, their small number and morphology (structure sperm). The amount of sperm directly depends on the weight of the animal and its size. At low sperm motility or morphology poor pregnancy in females can not occur or embryos die.

How many pregnancies do dogs last?

Pregnancy in dogs on average lasts 63 days. Puppies become viable in the interval between 53 and 71 days. The exact date of delivery depends on the size of the dog, the course of pregnancy and the attendant factors. Small breeds can be born on the 60th day. Animals that will give birth for the first time, bear posterity for a longer period. According to statistics, the female usually spends 58-64 days. Therefore, it is very difficult to say exactly how many days the pregnancy of dogs lasts.

First month of pregnancy

Initially, determine the presence of pregnancy inDogs are difficult, inspection and probing will not give anything. An animal can lead a normal life. Some females become more calm, restrained, affectionate or lethargic, drowsy. Two weeks after conception, the appearance of the mammary glands changes: they swell, become more pink. In the third week, embryos attach to the walls of the uterus, so the female appears vitreous discharge from the vagina. In the fourth week, you can feel the presence of rounded lumps, provided that the pregnancy is prolific. If the female has 1-2 puppies, then it is extremely difficult to determine anything by touch.

The second month of the dog's pregnancy

In the second month the pregnant female graduallythe abdomen increases. The appetite increases in the animal, caution appears in the movements. On the sixth week, the babies are clearly palpable in the supine position. Two weeks before the birth of the pups, tremors appear in the belly of the animal. At first they are irregular, hardly noticeable. The closer the date of delivery, the more active the kids are pushed. The puppies move visually. In the last week, the back sags, the stomach falls. A few days before the birth, the amount of vaginal discharge increases, they become yellowish or greenish. On the question of how many months of pregnancy in dogs lasts, you can say this: 2 months and a week.

How long does the delivery of a dog last?

The duration of labor in a dog depends on the number of offspring. The childbirth consists of three periods:

The preparatory period, in which the cervix is exposed under the influence of fights, lasts from 6 to 30 hours.
Directly the birth (breeding) of puppies - with the help of fights and attempts puppies are displayed outside in pelvic or head presentation, lasts from 3 to 12 hours with the interval between puppies to 10-15 minutes.
The postpartum period lasts 12-15 days, the uterus contracts and comes to a normal state, the uterine cavity is completely cleared. The neck tightly closed.

The first puppy must be born on his own. The latter usually goes right after the newborn, but sometimes it can linger. After the birth of the last puppy, the latter may retreat within half an hour. It is recommended that large individuals and female heavy breeds be assisted in the delivery process. Small animals usually need help only with small pregnancies (1-2 puppies). The help consists in removing the amniotic membrane from the puppy, cutting the umbilical cord with sterile scissors, treating it, rubbing the baby with a dry clean rag or towel. Thus, the question of how long the pregnancy in dogs and labor activity lasts, you can answer: the pregnancy in the dog lasts on average 2 months and one week (64-71 days), and childbirth - from 8 hours to 1.5 days with the postpartum period up to 15 days.