Quiz #3 - Stages of Labor Flashcards
What are some issues for new nurses regarding labor?
Mom’s have pain that you may have never experienced! It’s unpredictable and feels very intimate which can be scary
What do intermittent labor contractions allow for?
Placental blood flow & exchange of oxygen, nutrients, and waste products
What part of the uterus contracts during labor?
Upper
What is effacement?
The gradual thinning, shortening, and drawing up of the cervix measured from 0-100%
What is dilation?
The gradual opening of the cervix measured in cm from 0-10cm
What happens to the fetus’ pulmonary system during labor?
Decreased production of fluid in lungs. Thoracic compression during labor expels additional fluid and they open!
What are the 4 components of the birthing process?
Powers, passage, passenger, psyche
What are the 2 powers of labor?
- Uterine contractions - the primary force in the first phase of labor to move fetus down
- Maternal pushing - during second phase
What is the passage of birth?
Maternal pelvis and soft tissue.
What does the hormone relaxin do?
Softens cartilage that links pelvic bones as term approaches.
What is passenger “lie”?
Either longitudinal (baby spine matches mom’s spine) or transverse (baby spine is perpendicular to mom’s spine)
What is passenger “attitude”?
Either flexion (baby chin tucked in) or extension (baby chin outwards)
What is a frank breech?
Fetus’ legs are straight up towards head, folded like V
What is a full breech?
Fetus hugging self, legs not straight
What is a single footling beech?
One leg sticking out!
What decreases a woman’s ability to cope with labor pain?
Anxiety, fear, fatigue
What is secreted in response to anxiety or fear?
Maternal catecholamines, they inhibit uterine contractility and placental blood flow. Mom needs to relax!!
What are some theories as to what onsets normal labor?
Changes in estrogen, prostaglandin secretion, increased secretion of oxytocin, more oxytocin receptors, fetal role, stretching of uterus, etc.
What are some premonitory signs of labor?
Braxton Hicks contractions, lightening, increase in clear secretions, “bloody show”, energy spurt, small weight loss