Maternal The uterus releasing prostaglandins that stimulate contractions

Maternal the uterus releasing prostaglandins that

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Maternal The uterus releasing prostaglandins that stimulate contractions Increase pressure on the cervix Estrogen increase Progesterone decrease Oxytocin levels increase Fetal Placenta ages/deteriorates and triggers contractions Placenta releases prostaglandins to initiate contractions Fetal cortisol rises and reduces progesterone Signs of impending labor o Occurs a few weeks before labor, changes occur that indicate to the women’s body that is preparing for the onset of labor Lightening : Decent of the fetus to the true pelvis, the woman can breathe easier Braxton-Hicks contractions : Irregular UC that do not result in no changes to the cervix, then they start to coordinate when true labor begins Cervical changes : The cervix becomes soft and beings to dialate. Surge in energy : some woman say they have a burst in energy Backache : Due to the relaxation of the pelvic joints Bloody show : Brownish-blood tinge cervical mucous (what?!) 5 P’s of Labor List and describe o Powers (contractions) o Passage (pelvis and birth canal) o Passenger (The fetus) o Psyche (Response of the woman o Position (Maternal postures and physical position to facilitate labor) Premonitory Signs of Labor (5) Identify and define
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West Coast University Page 1 RF: 06/06/19 Mechanisms of Labor/Cardinal movements o Engagement o Descent o Flexion o Internal rotation o Extension o External rotation o Expulsion Ferguson’s Reflex o Womans physiological response when the presenting part of the fetus is at least +1 station, accompanied by spontaneous bearing down efforts 4 Stages of Labor o First stage 3 phases Latent: 0-3 cm Active: 4-7 cm Transition: 8-10 cm Water breaks, pulse increase and cardiac output o Second stage Cervix is 10 cm dilated Baby is delivered o Third stage Begins after delivery and involves the expulsion of the placenta and membranes o Fourth stage Typically 4 hours after the delivery of the placenta Assess for all signs of post partum damage, episiotomy etc Types of pharmacological management of Labor Discomfort o Medications such as Demerol, stadol, fentanyl, epidural block Gate Control theory of pain o States that sensation of pain is transmitted from the periphery of the body along ascending nerve pathways to the brain; due to the limited number of sensations that can travel along these pathways at any given time, an alternate activity can replace travel of the pain sensation; thus closing the gate control at the spinal cord and reducing pain impulses traveling to the brain Nursing actions before, during and after epidural administration o Monitor vital signs every 5-15 minutes, assess for hypotension and respiratory distress o Facilitate upright or lateral positioning to minimize supine hypotension
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