Most psychoactive recreational substances have some deleterious effects on prenatal development leading to problems including low birthweight, premature birth, and impaired brain development. This discussion explores the evolution of an application of bowlbys theory to the experience of pregnancy, from both maternal and paternal perspectives. Recent investigations suggest that certain factors play an important role in the development of a child during the prenatal period. I will deal with objections to this view when i critique the decisive moment and gradualist views in both this article and the final. Ppt stages of prenatal development powerpoint presentation. These stages are also referred to in pregnancy as terms or trimesters. Prenatal development anatomical chart download pdf. The development of the eye has been studied in mouse embryos from the ninth day through the nineteenth day of gestation. Prenatal period chapter ii child and adolescent period 2. The prenatal development of the mouse eye pei 1970.
These stages are also referred to in pregnancy as terms or trimesters from the 10th week of gestation 8th week of development, the developing organism is called a fetus. Development prenatal development prenatal or antenatal development is the process in which a human embryo or fetus or foetus gestates during pregnancy three stages germinal embryonic fetal germinal stage this stage lasts from fertilization until about 14 days later. Child growth and development pregnancy and prenatal. A mother and fathers dna is passed on to the child at the. A c t i v i t y 490 chapter 19 prenatal development and birth stages of birth i n the final weeks of pregnancy, the fetus becomes more and more crowded in the uterus and puts increased demands on its. Prenatal development definition of prenatal development. Scientists have learned that there are indeed three stages of prenatal development, but the developing child has already reached the third stage before the mother.
Physical aspects of development development begins at conception when sperm cells unite with the ovum. Explain how the developing embryo and fetus may be harmed by the presence of teratogens and describe what a mother can do to reduce her risk. This article aims to examine the factors affecting prenatal development, significantly, before and during pregnancy with respect to the development of a childs personality at later stages of life. Prenatal development free download as powerpoint presentation. Prenatal development prenatal development essay one there are various developmental stages inlife from the time a child is born. View test prep long answer question exam 3 responses from psych psych 101 at university of waterloo. Fetal development is the third of the three stages of prenatal development, following from the initial germinal stage preembryonic stage, and stage of embryonic development. Pregnancy and childbirth pregnancy stages month by month. The process of prenatal development occurs in three main stages. Human development introduction meaning of development lifespan perspective on development growth, development, maturation, and evolution box 4.
Prenatal malnutrition and development of the brain. John bowlbys theory of human attachment has become widely applied across disciplines and across the stages of human development. Most often the babys head moves to the lower part of the uterus. Feb 19, 2020 prenatal development, the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. Germinal stage weeks 12 in the discussion of biopsychology earlier in the book, you learned about genetics and dna. The prenatal period is critical for fetal development and is particularly critical to brain development in the context of psychiatric disorders. Prenatal development true or false one that can successfully fertilize the study of development begins at birth. Prenatal damage caused by psychoactive drugs such as alcohol, cocaine, heroin, inhalants, and tobacco is still far too common. With the onset of puberty, the duct system grows and branches, and the surrounding. Hereditary characteristics were set from the moment the mothers egg ovum and the fathers sperm met. Prenatal and early postnatal measures of brain development. Although much of prenatal development occurs within the physical domain, developments in the cognitive and psychosocial domains also emerge at this time. A free powerpoint ppt presentation displayed as a flash slide show on id.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. The first trimester months is essential to the proper development of the infant and encompasses both the ovum and embryonic period of prenatal. The presentation explains the definition of conception, the 3 stages of prenatal development giving monthtomonth brief explanations, the 3 stages of labor and 4 possible bi. This tiny mass of cells then adheres to the inside wall of the uterus. This process can be divided into three distinct stages. From zygote to human the zygote will become transformed through a process of three stages. Prenatal determinants of early behavioral and cognitive. Pdf for decades, researchers have investigated how events in the prenatal period impact women and their infants. Period from conception to birth called the prenatal period. It includes pictures, illustrations and drawings at two week increments along with relevant information about the possibility of the unborn infants survival. Environmental influences cont maternal factors drug intake caffeine 4 or more cups coffee day increased sids 8 or more cups coffee day dramatically increased fetal death marijuana mixed studies heavy use can lead to birth defects, lbw, withdrawallike symptoms at birth, increased. Especially in the early stages of pregnancy, a physician can confirm the. There are various growth stages that take place during prenatal development. An alcoholfree pregnancy is the best choice for your baby.
Class notes developmental psychology developmental psychologists are interested in common patterns of development and growth and the way in which people differ throughout the lifespan. Lets take a look at what happens to the developing baby in each of these stages. Period of development when major functional defects and minor structural defects can occur. The development of the eye in the prenatal period is described as having seven stages.
Prenatal growth and development of the mammary glands are independent of sex hormones and genetic sex. Two reference points are commonly used for determining the age of the fetus. From beginning as a onecell structure to your birth, your prenatal development occurred in an orderly and delicate sequence. The first two weeks of development are concerned with simple cell multiplication. Write a paragraph explaining how fetal ultrasound technology helps protect the health of the mother and unborn child. From the 10th week of gestation 8th week of development, the developing organism is called a fetus. One of the most critical of these stages is the young adulthood phase since this is.
Prenatal and early postnatal measures of brain development and childhood sleep patterns. Each clip from the program is accompanied by its corresponding written script. This quiz and worksheet combo will help test your understanding of the different. The three primary stages of prenatal development are the germinal stage, the embryonic stage, and the fetal stage. The development stages of pregnancy are called trimesters, or three.
Prenatal development is a continuous process of tissue differentiation, organogenesis and maturation. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Prenatal development prenatal development fertilisation. Characteristics of the period prenatal development o how life begins o ovulation, fertilization, conception o genetic and chromosomal abnormalities o multiple births o in vitro fertilization stagesperiods of prenatal development environmental effects on prenatal. This is an overview of fetal brain development and its components throughout gestation. Mar 26, 2009 realizing that many popular arguments for abortion rights such as some of the ones found in the first two installments in this series have little logical merit, many philosophers, ethicists, and theologians have presented more sophisticated arguments for abortion rights. Long answer question exam 3 responses identify the three. Conception the union of a male sperm cell and a female egg cell to form a new organism. Pdf prenatal malnutrition and development of the brain. Environmental influences cont maternal factors stress unusual stress during pregnancy at elevated risk of malformations. Stages of prenatal development divided into three periods. Neurogenesis, neuron migration, maturation, and networking, as well as synaptic pruning, all require precise procedures that could be affected by environmental factors. Welcome,you are looking at books for reading, the prenatal development anatomical chart, you will able to read or download in pdf or epub books and notice some of author may have lock the live reading for some of country.
Explain how the developing embryo and fetus may be harmed by the presence of teratogens and describe what a. Conception occurs when an egg from the mother is fertilized by a sperm from the father. After birth, one has to develop to infancy, adolescence, young adulthood, middle adulthood, and finally proceed to late adulthood, the last stage in the development of an individual. At about 10 weeks, hair cells begin to appear on the basilar membrane. Prenatal development, the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The vertebral spinal column is developed and visible but is composed of cartilage at this stage. How are minds forming in the womb still linked to the outside environment. Agents causing embryonic loss are therefore highly variable.
Helpful resources the organizations and resources below can provide you with more information on fasds, drinking and pregnancy, and how to get help if you are. Until the onset of puberty, there are no differences in the male and female breast. The process of growth and development within the womb, in which a singlecell zygote the cell formed by the combination of a sperm and an egg becomes an embryo, a fetus, and then a baby. Pdf on nov 27, 2019, f muhjah and others published fetal development. Prenatal development an overview sciencedirect topics.
The entire eye was sectioned and studied under the light microscope. These radical and moderate prochoice thinkers agree with prolife advocates that the abortion. In the next two sections, prenatal stress, endocrine. This lesson explores the stages of prenatal development and a mothers. The prenatal period of growth and development has a lasting impact on the childs potential for healthy growth and development after birth. Pregnancy stages 1st month conception to about week 8 after your last period your baby by the end of this period, your baby has grown from about. Teaching children the facts of life male and female reproduction birth defects, genetics, and heredity pregnancy stages of prenatal development labor, childbirth, and postpartum care. Introducing the multilingual illustrated dvd explore the fascinating imagery and facts presented in the biology of prenatal development at your own pace.
Prenatal development and infancy birth, of course, does not mark the beginning of human development. The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period. Stages of prenatal development stages of prenatal development conception germinal embryonic fetal conception conception occurs when a sperm cell penetrates. The process is complex, and critical periods of development occur at different times in the different species. Prenatal development definition of prenatal development by. This chart shows vulnerability of the fetus to defects throughout 38 weeks of pregnancy. Previous studies have also reported adverse prenatal brain development e. The study of development begins at the moment of conception the sperm fight to be the only the egg. Prenatal development introduction to psychology lumen learning.
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