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A & P of OB 4

Princinples II PROGRESS OF LABOR AND PAIN

QuestionAnswer
WHO MANY STAGES OF LABOR DO WE HAVE THERE ARE THREE STAGES OF LABOR
WHAT IS THE FIRST STAGE OF LABOR IT IS THE ONSET OF REGULAR CONTRACTIONS (LATENT AND ACTIVE STAGES)ENDS WITH FULL CERVICAL DILATION (10 CM AT TERM)
WHAT IS THE SECOND STAGE OF LABOR IT BEGINS WITH FULL DILATION OF THE CERVIX, ENDS WITH DELIVERY OF INFANT
WHAT IS THE THIRD STAGE OF LABOR DELIVERY OF INFANT UNTIL THE PLACENTA IS EXPELLED
PAIN DURING LABOR ARE CLASSIFIED AS WHAT VISCERAL AND SOMATIC PAIN.
WHAT IS VISCERAL PAIN VISCERAL PAIN IN ORIGIN CAUSED BY UTERINE CONTRACTIONS AND DILATION OF THE CERVIX. AUTONOMIC C FIBERS THAT ENTER THE DORSAL HORN OF THE SPINAL CORD AT T10-L1 (DULL, ACHING PAIN)
WHAT IS SOMATIC PAIN Somatic pain is due to stretching of the vagina and perineum by descent of the fetus -Pudendal nerves -> enter spinal cord at posterior roots of S2-4; A-Delta fiber stimulation
what does regional techniques do? Regional techniques decrease likelihood of fetal drug depression and maternal pulmonary aspiration
should regional anesthesia influence progression of labor No. Should not influence the progress of labor or ability to bear down during the second stage of labor
what are some abnormal presentation of births 90% of deliveries are cephalic presentation in either occiput transverse or occiput anterior position Persistent occiput posterior Breech presentation
what consideration should you have with multiple gestations Consider prematurity and breech presentation Usually cesarean section
dx of fetal distress is monitoring for what. beat-to-beat variability; early deceleration, late deceleration, variable deceleration
what is beat-to-beat variability Fetal heart rate varies 5 to 20 beats/min Normal FHR ranges between 110 and 160 beats/min
what is early decelerations Characterized by slowing of the FHR that begins with the onset of uterine contraction Not indicative of fetal distress
what is late deceleration Characterized by slowing of the FHR that begins 10 to 30 seconds after the onset of uterine contraction Associated with fetal distress Determination of fetal scalp pH is recommended when this pattern permits
what is variable decelerations Variable in magnitude, duration, and time of onset Generally characterized by a steep descent of FHR Thought to be caused by umbilical cord compression Unless prolonged, they are usually benign Consider changing maternal position
what is apgar score It is used to evaluates heart rate, breathing, reflex irritability, muscle tone, and color. Numerical value assigned 1 and 5 minutes after delivery
Neonatal evaluation and resuscitation are Apgar score evaluates heart rate, breathing, reflex irritability, muscle tone, and color Numerical value assigned 1 and 5 minutes after delivery Suctioning Vascular resuscitation: Umbilical arterial catheter may be inserted (ABGs) Evaluate and trea
what does the umbilical cord do there are 2 umbilical arteries (carry blood away from the fetus) and one umbilical vein carries oxyginated blood to the fetus
Created by: eonaodow