Unit 10: Reproduction Flashcards
What are the 5 major factors that affect the labor process?
Passenger
Passageway
Powers (contractions and bearing down)
Position
Psychological
What is molding of the head during labor?
bones are not firmly united and slightly overlap during labor
What is fetal presentation?
The part of the fetus that enters the pelvic inlet first
Cephalic = head first
Breech = buttocks, feet, or both
Shoulder
What is fetal lie?
relation of the fetus’s spine to the mothers
What is fetal attitude?
relation of the fetal body parts to one another
What is fetal position?
relationship between a reference point on the presenting part to the 4 quadrants of mothers pelvis
What is fetal station?
relationship of presenting part to the ischial spines
What is the most common type of pelvis shape?
Gynecoid
What is the inlet, cavity, and outlet of pelvix?
Inlet is the upper border
Cavity is the curved pass with a short anterior wall
Outlet is the lower border
What do you need to know about primary powers?
Involuntary contractions
Described by frequency, duration, and intensity
Responsible for effacement and dilation and descent of fetus
What do you need to know about secondary powers?
Bearing-down efforts
No effect on dilation but important for expulsion of infant.
What sign precede labor
Lightening
Low backache
Bloody show
Urinary frequency
Surge of energy
ROM
Stage 1 of labor
Onset to full dilation
Stage 2 of labor
Full dilation to birth
Stage 3 of labor
birth to delivery of the placenta
