The Role of Uterus in the Development of a Human Being

Further, because the womb is capable of stretchiness to such an extent during gestation, from two ounces to two pounds, it allows a mammalian foetus to a greater extent clock time to develop not just physically, n perpetuallytheless also mentally (Angier 100,103-4).

In addition, because this growth is fetching place within the m new(prenominal), her body is able to provide changeless rag to nutrition and other things needed by the fetus while it is developing (101). This begins at conception. For example, when the fertilized egg is looking for a place in the uterus to plant itself, the uterus produces a marijuana-like compound in the key that testament provide the closely secure spot for the egg. At the same time, the embryo has on its surface, receptors for this compound that "sniff" it out and attach themselves at the spot in the uterus where this compound is being emitted, which also is the bowl where the embryo entrust be able to get the roughly nutrition. As Angier points out, the embryo literally becomes hooked on the uterus until a placenta grows in place around it to support the fetus (122).

Nutrition is provided by the placenta, which protectively surrounds the fetus while gaining access to the mother's blood supply and other body chemicals, (100-1, 117-8). The placenta and the surrounding arteries stop to grow and draw from the mother to support the fetus by room of the last term of the pregnancy. By the end of the pregnancy, according to Angier, the g

With the added blessings and benefits of being an "Eutherian," however, are also or so possible problems and drawbacks that not only hinder fetal growth, but can also be fatal to the fetus. For example, because the embryo, and later the fetus, is so helpless upon the mother's body to take care of it, any genic abnormality, accident, or disease experienced by the mother whitethorn be easily transmitted to the fetus.

According to Angier, all this means that the "uterus and its attendant placenta mother the offspring as it will never be mothered again, not even by its deliver mother postpartum" (Angier 100).

She further points out that this is the only time in a child's life when all of its needs will be met completely and calls this "the only Eden it [the fetus] will ever know" (101). However, Angier also points out that the "more mothered the animal is, the more apt it is to dominate its purlieu" (100). Therefore, the "mothering" provided in the womb combine with additional time for maturation and nutrition provided for brain growth, creates a being that is more capable of moderateness, rational thinking, less dependent on instinct, and of being in more control of their environment as they mature into adulthood.

rowth of the fetus is rapid and "explosive" and requires three-quarters of the nutrients being pumped to the baby through the umbilical cord (118). The reason for this is that "pound for pound" brain tissue is more " big-ticket(prenominal)" or needs more nutrition than any other tissue in the body. In order for the brain to right on develop in the fetus it needs plenty of wholesome blood (118). Thus, the mammalian fetus has the "luxury of developing an expatiate central nervous system" (100) because it has both the time and the "money," or nutrition allotted to it to grow.

"Maternal alcohol use during pregnancy may increase offspring's risk." Women's Health Weekly. November 14, 2002.

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