The First Ten Weeks Of Pregnancy
Why should you prepare for childbirth and worry what he or she will be like? Your baby is already living inside you. All his physical characteristics are set at the moment of conception -- the color of his eyes, his constitution and the color of his hair. The “program” has been set for forming his main character traits.
In the East, a child’s age is calculated from the moment of conception. So a month after childbirth, he is already ten months old. And a day after a “planned” intimacy, you can celebrate the first birthday of a new life.
What a wonderful example for your baby’s treatment! Not the treatment of a future child, but an already-existing one, living inside you. No matter what you call him during the fist days and weeks of his life, an embryo or a fertilized egg, he is alive and that is why he deserves attention and respect.
The beginning of life: week 1
Day 1: A sperm meets an egg (ovule) in the fallopian tube, and, having united, they travel through it (the tube) for three to four days. Having reached the uterus, the fertilized single-cell egg remains free for three days there, while endometrium is getting ready to take it. On the seventh day after fertilization, implantation begins: the fertilized single-cell egg implants itself into the uterine lining. In the course of these seven “free” days, the fertilized single-cell egg is dividing in a geometric series: 2, 4, 16 times and so on. Since the 4th day of life, some cells do not just divide, but also grow rapidly and unite in a small knot, called an embryo (“embryo” – a living body at the early stage of its development). The doctors will refer to your baby exactly this way till your 8th week of pregnancy. But you know that inside there is more than a medical term. There is also a tiny life of 0.25 millimeters.
The plan for building a future body is ready; its “draft” is studied by the mother's body in detail. One moment, and an endlessly dividing corpuscle has become longer and changed into an oval with a cavity inside. It is a rudimentary intestinal tube. First of all, it is necessary to think about food and digestion. If we do not eat, we do not grow a gram no matter how many times we divide. This is the first day after implantation, or day 8.
Day 9: The egg is in its new place and it begins to be nourished. An embryo, like a plant, “takes root” in the fertile uterine “soil.” The real pregnancy starts, because this is the first time the mother feeds and protects her child. Now it will begin to grow with terrific speed.
Days 10 to 14 the initial intestine lengthens and divides into two parts. It is still a closed space, surrounded by membranes on both sides. At the same time, the foundation of the heart begins to form. First it resembles a tube connected to large, primitive vessels.
On the 15th day, an embryo changes its form considerably. It acquires complexities - the future vertebra, ribs, muscles and limbs. This week’s creations are like a snowball. Practically every hour, your baby can boast of having something new:
- here a primitive bowel emerges,
- now a heart tube is curving in an “S” shape,
- here the nervous system rudiments appear: an initial brain and spinal cord; the lateral parts of the head end eye sockets, and more.
Later on, a rudimentary pancreas emerges; under the oral membrane, the thyroid gland develops and, finally, the membrane spreads showing the tiny mouth to the world, the mouth that will amaze you for a long time. On the anterior wall of the intestine, a convexity emerges and the respiratory apparatus is formed out of it -- the larynx, trachea, bronchial tubes and lungs.
Day 19 The first blood cells are born. These are megaloblasts – the ancestors of the giant red blood cells.
On the 20th day, the first beats appear in the heart tube. It is not the exact a heart yet, but it is beating on the 20th day! Pay attention to your feelings.
Take a look inside: Your baby is already 2 millimeters long and, at one end, there is a thickening – it is a head forming.
Progenesis has come to an end (pro - "preceding something" + genesis - "development of something" = "preceding development"); that is, your baby has passed the entrance exam successfully and moves up into the next stage. His is cor biloculare, like an identification sign – “I am in the second form.” Such an organ is characteristic of fish, but your small fry, unlike these silly, dumb creatures, will soon get rid of a tail and work long and hard at the development of his
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