C&a Psychology

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Ovum

Back 1

An unfertilized egg.

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Ovulation

Back 2

The release of a mature egg from an ovary.

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Germinal Stage

Back 3

The prenatal stage that lasts from conception to 2 weeks postconception.

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Blastocyst

Back 4

A hollow ball of cells that consists of the inner cell mass, which becomes the embryo, and an outer ring of cells, which becomes the placenta and chorion.

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Inner Cell Mass

Back 5

A solid clump of cells in the blastocyst, which later develops into the embryo.

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Trophoblast

Back 6

The outer ring of cells in the blastocyst that later develops into the support system for the pregnancy.

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Embryonic Stage

Back 7

The prenatal stage that lasts from 2 weeks (implantation in uterus) to 2 months postconception.

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Embryo

Back 8

The developing organism from conception to the end of the second month of a pregnancy.

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Chorion

Back 9

The outer fetal membrane that surrounds the fetus and gives rise to the placenta.

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Amnion

Back 10

The innter fetal membrane that surrounds the fetus and is filled with amniotic fluid.

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Ectoderm

Back 11

The outermost later of the inner cell mass that later becomes the skin, sense organs, brain, and spinal cord.

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Endoderm

Back 12

The innermost later of the inner cell mass that later becomes the respiratory system, digestive system, liver, and pancreas.

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Mesoderm

Back 13

The middle layer of the inner cell mass that later becomes the muscles, bones, blood, heart, kidney, and gonads.

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Cephalocaudal Development

Back 14

A principle whereby development proceeds from the head region down through the body.

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Organogenesis

Back 15

The process in prenatal development by which all of the major organ systems of the body are laid down. A critical period in development, miscarriage is common.

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Fetal Stage

Back 16

The prenatal stage that lasts from the beginning of the third month postconception until birth. (develop touch, taste, smell, sight, and hearing)

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Fetus

Back 17

The developing organism from the end of the eighth week post conception until birth.

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Proximdoistoe

Back 18

When an embryo develops from the inside out.

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Cutaneous Senses

Back 19

Touch and pain.

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Chemical Senses

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Taste and smell.

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Vestibular Senses

Back 21

Equilibrium and balance.

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Auditory and Visual Senses

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Hearing and sight.

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Infertility

Back 23

Failure to conceive a child after one year of frequent, unprotected sex.

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Gestational Age

Back 24

The length of time since the conception of a developing organism.

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Miscarriage

Back 25

The natural loss of a pregnancy before the fetus reaches a gestational age of 20 weeks.

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Teratogens

Back 26

Agents that can disrupt prenatal development and cause malformations or termination of the pregnancy.

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Fetal Alcohol Syndrome

Back 27

A condition in the child resulting from heavy or binge consumption of alcohol during a pregnancy, associated with abnormal facial features, small stature, and a small head, and functional problems with learning memory, and attention span.

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Fetal Alcohol Spectrum Disorders

Back 28

A range of impairments in a child resulting from consumption of alcohol during a pregnancy, associated with any subset of characteristics of fetal alcohol syndrome at varying levels of severity and other more subtle or functional deficits.

Front 29

Early Labor

Back 29

The first phase in the first stage of labor in which contractions are usually not painful but the cervix begins to thin out and dilate.

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Active Labor

Back 30

The second phase in the first stage of labor in which contractions become longer, stronger. and more frequent and the cervix dilates to 4 centimeters.

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Transition

Back 31

The third phase in the first stage of labor in which contractions come in rapid succession and last up to 90 seconds each, with little or no pause between them, ad which ends when the cervix has dilated 10 centimeters.

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Malpresentation

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An abnormal positioning of the fetus in the uterus.

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Doula

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A trained, knowledgable companion who supports a woman during her labor and delivery.

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Apgar Scale

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An assessment of a newborn's overall condition at 1 minute and 5 minutes ager birth that is based on the newborn's activity level, pulse, grimace, appearance, and respiration.

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Infant States

Back 35

Different levels of consciousness used to regulate the amount of stimulation an infant receives, states range from crying to deep sleep.

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Premature Birth

Back 36

A birth that occurs before a gestational age of 37 weeks.

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Low Birth Weight

Back 37

A full-term infant who weighs less than 5 pounds, 4 ounces.

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Small for Gestational Age

Back 38

Babies who are smaller in size than normal for their gestational age.

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Postpartum Depression

Back 39

A severe depression that typically begins within the first three months after childbirth that lasts for more than 2 weeks. symptoms are severe enough that they interfere with the woman's ability to function.

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Couvade

Back 40

A sympathetic pregnancy in which a man experiences a variety of symptoms associated with pregnancy or childbirth while his partner is pregnant.