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Fetal development in 1 trimester, pregnancy and childbirth

Today I will touch on a touching and very important topic for every woman – pregnancy and its development. You can talk about this a lot, which is why I decided to talk about each trimester separately.


Development

During pregnancy, every day in the development is very important. On day 4 after fertilization, the egg enters the uterine cavity. At this point, it is a ball of liquid. On the 3rd week, this ball begins to penetrate the uterus and securely fasten.

During the second and third months, all organs and systems of the unborn child are laid down. By the end of the first trimester, the fetus already has a circulatory system, and the liver until the 20th week will be the healer. The pulse should be 130-150 beats and this can be determined using ultrasound.

In this period, the muscles begin to work and the first movement, the clenching of the cams, the thrusts of the arms and legs, the turning of the head, the opening of the mouth, and even the first attempts at sucking occur. They are still very weak, so that the future mother could feel them. The first movement occurs at 6 weeks of age.

From 9 to 12 weeks, the fetus acquires sex, although it can hide it from our eyes for a long time. In the same period, the placenta ends and takes on the main role in maintaining pregnancy. Previously, this involved the corpus luteum, which causes toxicosis in many pregnant women.

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