The Birth Of A Baby Essay

1268 Words Aug 24th, 2014 6 Pages
During the nine-month period of pregnancy, the most remarkable process of events leads to the birth of a baby. This period is broken down into 3-month increments called trimesters. Each trimester marks the end and beginning of a very important process going on inside the womb. The trimesters each have different responsibilities and goals that must be accomplished before the end of that period. If the goals are not reached by their set time limit, the pregnancy is at the chance of being terminated; only 40 % of embryos survive due to several fatal flaws in their DNA makeup. The process is very specific and everything has to happen in order or the pregnancy can be labeled as high risk. This paper is written with the intent of informing the reader of the steps that must be achieved for the baby to develop successfully in the womb. The first trimester is considered to be the most important within the three; this is typically labeled as the period of embryonic and early fetal development along with the beginnings of all major organ systems. The first trimester is 12 weeks from the last menstrual period (LMP) or 10 weeks from the start of the developmental stage where the egg gets fertilized by the sperm. At the moment of conception, the fertilized ovum, which is only a single cell, weights .15mg and merely .005 inches in length. There are four main events that happen during the first trimester: cleavage, implantation, placentation, and embryogenesis. Cleavage is…

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