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Prenatal Growth and Development

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Introduction
Baby’s take an average of 38-40 weeks to fully develop and prepare for birth. This time period of approximately nine months is broken down into 3 periods in which the baby spends growing from a tiny mass of cells into a functional, healthy, bouncing baby. If all goes smoothly the birth of a baby, including labor time could take between 4-8 hours, sometimes more, sometimes less. There are many factors that can affect the baby’s growth and development, called teratogens, but overall baby will slowly grow and develop until he or she is prepared to enter into the world.
From the moment of conception the baby begins to develop for the remaining nine months. A full term pregnancy can take 38 weeks-40 weeks or nine months based on either date of conception or the last day of the woman’s menstrual cycles. If mom does not know the date of conception, than doctors will add 40 weeks to the last day of her last menstruation and estimate the baby’s due date accordingly.
Stages of Pregnancy
There are two different ways to break down the prenatal time period: by trimester or by periods. The first period is called the germinal period. This time frame consists of the first fourteen days of the baby’s development starting with conception. During these two weeks, the fertilized egg makes it’s way into the uterus for implantation in the lining of the uterus. The next period, the embryonic period starts here. The embryonic period lasts the third through the eighth week of pregnancy. During this time period, according to Kathleen Stassen Burger, Author of The Developing Person: Through Childhood and Adolescence, “…the formless mass of cells becomes a distinct being-not yet recognizably human, but worthy of a new name, embryo” (Burg...

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...lergy pills, large doses of vitamins, some medicated skin creams, as well as a few other over-the-counter medications (As Your Baby Grows p 13). A prenatal vitamin is essential for a mother’s health as well as the baby’s, to provide their needed vitamins and nutrients.
CONCLUSION

As Your Baby Grows, Volume 20 Issue number 4

Berger, K. S. (1980). 4: Prenatal Development and Birth. The developing person (pp. 93-121). New York, N.Y.: Worth Publishers.

The stages of labor. (n.d.). BabyCenter. Retrieved April 23, 2014, from http://www.babycenter.com/stages-of-labor

Works Cited

As Your Baby Grows, Volume 20 Issue number 4

Berger, K. S. (1980). 4: Prenatal Development and Birth. The developing person (pp. 93-121). New York, N.Y.: Worth Publishers.

The stages of labor. (n.d.). BabyCenter. Retrieved April 23, 2014, from http://www.babycenter.com/stages-of-labor