Embarazo - Síntomas y Semanas on Windows Pc

If you are pregnant or want to become pregnant, the APP "Pregnancy" has all the information you need. Tips and recommendations calculator, updated news and more.

Pregnancy is the period between the implantation of the zygote in the womb, until the time of delivery in terms of significant physiological, metabolic and even morphologic changes that occur in women designed to protect, nurture and enable the development of the fetus such as disruption of menstrual cycles, or increasing the size of the breasts to prepare for breastfeeding. The term gestation refers to the physiological processes of growth and development of the fetus inside the womb. In theory, the gestation of the fetus and the pregnancy is women, although in practice many people use both terms synonymously.

In the pregnancies are often unique human species, although multiple pregnancy may occur. The application of assisted reproduction techniques are making increasing incidence of multiple pregnancies in developed countries.

Human pregnancy lasts about 40 weeks from the first day of the last menstrual period or 38 from fertilization (approximately 9 months). The first trimester is the time of greatest risk of spontaneous abortion; the beginning of the third quarter is considered the point of fetal viability (the one from which can survive ex utero without medical support).

Pregnancy occurs when a sperm reaches and penetrates the cell membrane of the egg, fusing the nuclei and sharing both their genetic endowment to give rise to an egg cell or zygote, in a process called fertilization. Zygote cell division will lead the embryo, from which derives the adult individual development.

Embryology is the part of medicine that studies the complex process of embryonic development from the moment of fertilization until the formation of the fetus, which is the name given to the body resulting from this development when it has not yet taken place childbirth.

Within the uterus, the fetus is floating in amniotic fluid, and in turn the fluid and the fetus are involved in the amniotic sac, which is attached to the uterus. In the cervix, a plug of thick mucus forms during pregnancy to hinder the entry of microorganisms that cause intrauterine infection. This plug will be expelled during early labor.

According to its development, pregnancy is typically divided into three stages of three months each, in order to simplify reference to the different stages of fetal development.

During the first trimester the risk of abortion is greater (natural death of embryo or fetus). This is more prevalent in pregnancies achieved by IVF, since the implanted embryo developed could stop by failures of gamete chromosomes inherited from their parents.

During the second trimester fetal development can start to be monitored or diagnosed.

The third quarter marks the beginning of viability roughly after the 25- week means that the fetus could survive a premature birth, normal delivery or cesarean occur.

Perhaps the first sign of pregnancy is presumptive amenorrhea or absence of menstrual period. Because amenorrhea can occur for reasons other than pregnancy causes, not always is taken into account, especially if the woman has regular cycles. hypersensitivity nipple, dizziness, morning sickness, drowsiness, impaired perception of odors: However, several pluses that together with amenorrhea suggest pregnancy, such as may occur.

You can read about all the symptoms of pregnancy: SintomasDeEmbarazo.top

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