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It is called pregnancy to the state of the woman what is brewing life in his belly . In the case of female animals, there is talk of pregnancy . For example: “I am in the seventh month of pregnancy and I feel fabulous”, “When my wife lost pregnancy, I felt very sad”, "We had been dreaming of this pregnancy for years!".

When a woman is pregnant, she carries a embryo it converts into fetus and develops for nine months in the womb until the instance of Birth . At that time, the mother gives birth to a creature. Pregnancy time is sometimes minimized, causing a premature delivery .

The natural way for pregnancy to occur is through a sexual intercourse between a man and one woman . When ejaculating, the man deposits his sperm in the woman's vagina: if a sperm manages to fertilize an egg, the zygote that is implanted in the uterus is generated, generating pregnancy.

There are, however, other ways to produce pregnancy. For this we must resort to techniques from Assisted reproduction , as the in vitro fertilization and the artificial insemination .

In the process that begins with the formation of zygote In the uterus and which extends to delivery, the woman experiences numerous metabolic and physiological changes that allow her to care for and nurture the fetus. With pregnancy, menstruation is interrupted and breasts prepare for breastfeeding, to mention two of these changes.

According to its characteristics, it is possible to refer to a early pregnancy (when the pregnant woman has not yet reached adulthood), a ectopic pregnancy (if the egg develops outside the uterus), a unwanted pregnancy (also called unplanned) or a multiple pregnancy (if two or more fetuses develop simultaneously in the uterus), among other classes.

Although most pregnancies do not go through complications, it is important to know the problems that may arise to act quickly if we detect any anomaly . When faced with a worrying symptom, professionals may indicate the performance of certain laboratory tests, ultrasound exams or clinical examinations.

Needless to say, the worst problems are those that directly affect the baby. Within this group are the spontaneous abortions , which interrupt pregnancy irreversibly. They usually occur within the first 20 weeks and affect an average of 15% of women. It is estimated that the cause of the embryo cannot continue to develop lies in some anomalies of the chromosomes of the Ovum That has been fertilized.

But all is not lost in the battle against him abortion spontaneous, since it is possible to avoid it if we detect its signs in time. Vaginal bleeding is the first thing that happens and it is enough to get in touch with the doctor urgently. If necessary, it will indicate an ultrasound to look inside the uterus, in addition to a blood test.

He premature delivery It is another complication of pregnancy, and is characterized by the opening or refining movement of the neck uterine, with the subsequent birth of the baby, before week 37. As a statistical data, approximately 12% of deliveries in North America are of this type.

We should not underestimate the potential negative consequences of premature birth: although it is true that in many cases the advances in medicine manage to protect the baby until he can survive with his mother naturally, in some cases it can lead to serious health problems or even death. The less developed the child is, the less likely he is to enjoy good Health or to survive.

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