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NRN 102 (CH 15)

CCAC NRN 102 Labor and Birth Processes

What are the 5 Ps Passenger, Passageway, Powers, Position, Psychologic response
What bones make up the fetal skull? 2 parietal, 2 temporal, frontal and occipital
The part of the fetus that enters the pelvis first Fetal Presentation
What do these bones form? The anterior and posterior fontanels
Relation of the long axis of the fetus to the long axis of the mother Fetal Lie
Relation of the fetal body parts to one another Fetal Attitude
Relation of the presenting part to the four quadrants of the mother's pelvis Fetal Position
What is the passageway comprised of? The rigid bony pelvis and soft tissues of the cervix, pelvic floor, vagina, introitus
Which powers are responsible for the effacement and dilation of the cervix? Primary powers
What three terms are used in describing the contractions? Frequency, duration and intensity
How is intensity determined? By palpating the fundus with the fingertips during the contraction
What is effacement? The thinning and shortening of the cervix and is expressed in percentages
What are the secondary powers? Bearing-down efforts of the mother
What does the normal course of labor include? Regular progression of uterine contractions, effacement and progressive dilation of the cervix, and progress in descent of the presenting part.
What is the first stage of labor? From the onset of regular contractions to full dilation.
What are the three phases of the first stage? Latent, Active and Transition
What is the second stage of labor? From full dilation to birth of the fetus
How long does the second stage last? From minutes to 2 hours
What is the third stage of labor? From birth of the fetus to delivery of the placenta
Created by: JayneAnn