The miracle of pregnancy fascinates every woman who conceives. Within the first trimester of pregnancy, week 1 to 12, many changes that occur in both mother and embryo. The first real development will take place in week 3 and this is where the individual's life really starts to take shape.
Both sperm and egg meet to begin development of the zygote. DNA structures that will decide boy or girl, eye color, height, facial features, and more. These 23 chromosomes from each parentwe hear about are converted at the beginning of a unique individual. Only the size of a raspberry, a storm cell to divide and turn into something really spectacular, as the zygote makes its way down the fallopian tube.
In the weeks 4, 5 and 6, known as a zygote and blastocyst in the uterine wall is excavated. It forms a placenta to nourish and protect the rest of the pregnancy and is an embryo. In these three weeks, all the basic humanoidThings started to develop. The peripheral nervous system, the outer skin, eyes, heart, brain and major organs begin to form.
During the seventh week of pregnancy, facial features, like small nostrils, eye lenses and the shape of the ear canal. buttons has small blades will form arms and legs, and 8th weeks, the embryo is now beginning to look more like a child. Arms and legs are longer, the straightening of the spine and gender identity with the first signs ofdevelopment. In males, the testes and ovaries of women as they begin to grow.
The magic is even more fascinating in the weeks 9-12 toes and fingers are clearer and the fetus gets control muscle movements. You can close his eyelids and external genatalia present but not yet identified. You can start yawning and sucking movements. The fetus can also produce urine during this phase.
The second trimester, week 13-27, marks aexciting phase of development. Earlier this week, 13 from head to tail, the fetus is about 3 ½ inches in length. The intestine and kidney were developed. By week 14, the fetus can lead his hand to his mouth to suck his thumb.
More motor skills such as frowning, smiling and flashing a knee 18 weeks. Fingers and nails are formed and sex of the child is visible on ultrasound. You may also see a little finger in this period, the cartilage is replaced bybone. The fetus has a regular sleep pattern and is able to feel pain.
In week 19, the child can distinguish clearly the voice of a mother and respond. The uterus, ovaries, the fallopian tubes are almost completely developed in girls. At week 20, the mother can first little flutters' motion feel. vernix, which is a fatty substance, is covering the skin of your child protected.
His face begins to grow 21 to 24 weeks, between the eyebrows, the hair on the head, and sometimes lower back. For boys, the testicles are almost fully formed. Over the next three weeks, 25 to 27, the child will begin to enjoy exploring the realms of the uterus. Begin to feel flips, turns, and sometimes pushing like floating around in the amniotic sac.
The baby now measures about 11 to 15 inches from the crown of the head down on the foot in length. Lungs, liver, and the immune system continues to reach maturity and develop fully in the footsteps. The third> Mark quarter of 28-40 weeks. Your child will now be fully developed lungs and could not breathe the air.
The brain has reached peak development of neurological reactions such as the regulation of body temperature and respiratory support. This phase is also a mother the child grows. Back pain, heartburn, swelling, difficulty breathing, spiderveins, loss of milk, pain or tenderness in the breasts are all common in the third quarter. In the last two or three weeks,child, with an average weight of 7 or 8 pounds, is positioned for birth. And then the miracle of birth and is a new person enters the world.
Related : Assurant Health Care Provider
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