1-5 week of pregnancy
Beginning of life
Traditionally, the gestational age is determined in weeks. Duration of midwifery month 28 days, that is somewhat different from the usual duration of a calendar month. Each week of pregnancy is a very important stage of development of the unborn child.
Early pregnancy It is the moment of conception, which is the penetration of the sperm to the egg and fertilization. In the nucleus of a fertilized egg begins dividing intensive process, which leads to its increase. During the first week of pregnancy there is attachment of a fertilized egg in the uterus.
The second week of gestation characterized by the formation of membranes bubble, the placenta and the umbilical cord. All these formations are designed to protect the unborn baby against external damage, receipt of necessary for the development of nutrients and oxygen, the output of toxic substances.
In the third week of pregnancy the embryo there are the beginnings of internal organs.
By the fourth week the process of cell division leads to the formation of embryonic tissues primitive facial skull, continued development of the nervous and cardiovascular systems. This period is critical for the first pregnancy. Diseases of the mother, its impact on the body of harmful external factors may lead to abnormal formation of the body of the fetus. But the main problem is, that the majority of pregnant women in the first four weeks of pregnancy are not even aware of his "interesting" state, continuing to lead a normal life, often – far from ideal in the light of impending motherhood.
In the fifth week of gestation there are the beginnings of the upper and lower extremities, vertebrae, continuing the development of the central nervous system.
Healthy life expectant mother It is the key to successful delivery and newborn health. Recommendations, relating to food, daily routine, physical exercises, hygiene, You must comply with all pregnant women (including HIV-positive women).
