THE nine-month wait is finally over, and the baby so longed for is about to be born. The expectant mother’s cervix has remained firmly shut, keeping the fetus safely in the womb. But now her cervix thins, softens, and relaxes. The miracle of birth begins.
What is behind the marvelous process of childbirth? Of the several factors involved, two are especially amazing. First, oxytocin, a hormone produced in the brain, is released. Both men and women produce this substance, but a great quantity of it is released in the pregnant mother when labor begins, causing the cervix to dilate and the uterus to contract.
Just how the pituitary gland of the expectant mother knows when to begin releasing this hormone is a mystery. The book Exploring the Human Body—Incredible Voyage states: “Somehow her brain senses that gestation is complete and that it is time for the powerful uterine muscles . . . to take on their brief but heroic job.”
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Now the newborn must quickly adapt to new conditions of life, very different from those of its maternal environment. For example, while in the uterus, the lungs of the fetus were full of amniotic fluid, which was squeezed out when the infant passed through the birth canal. Now the lungs must be filled with air to initiate breathing, the onset of which is usually indicated by the first cry. Drastic changes also occur in the heart and the rest of the circulatory system. A hole connecting the two atria of the heart and a blood vessel bypassing the pulmonary circulation close, in order to reroute the blood through the lungs, thus enabling the blood to absorb oxygen. It is astonishing that this adaptation to the outside world happens so rapidly.
The entire process of labor and birth reminds us of the words of the Bible: “For everything there is an appointed time, even a time for every affair under the heavens.” That includes “a time for birth.”You will surely agree that this series of biochemical and physical events, which all occur within just a few hours, eloquently points to a Great designer our creator who deserve our worship and adoration for being the source of life.
THE MIRACLE OF LIFE!!!
A second factor involved in this process is the role of the placenta, which stops producing progesterone. During pregnancy, progesterone has prevented strong contractions. But now, without the restriction of progesterone, the uterus begins to contract. Generally after between 8 and 13 hours of labor, the baby is pushed out through the relaxed, dilated cervix. Afterward, the placenta is also expelled.
[pl&feu1.jpg]Now the newborn must quickly adapt to new conditions of life, very different from those of its maternal environment. For example, while in the uterus, the lungs of the fetus were full of amniotic fluid, which was squeezed out when the infant passed through the birth canal. Now the lungs must be filled with air to initiate breathing, the onset of which is usually indicated by the first cry. Drastic changes also occur in the heart and the rest of the circulatory system. A hole connecting the two atria of the heart and a blood vessel bypassing the pulmonary circulation close, in order to reroute the blood through the lungs, thus enabling the blood to absorb oxygen. It is astonishing that this adaptation to the outside world happens so rapidly.
The entire process of labor and birth reminds us of the words of the Bible: “For everything there is an appointed time, even a time for every affair under the heavens.” That includes “a time for birth.”You will surely agree that this series of biochemical and physical events, which all occur within just a few hours, eloquently points to a Great designer our creator who deserve our worship and adoration for being the source of life.
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