AWHONN Module 4 - Normal Labor and Birth 100% Correct

AWHONN Module 4 - Normal Labor and Birth 100% Correct what are the 5 P's affecting labor and short description? 1) power - primary: uterine ctx - 2ndary: maternal bearing-down 2) passage - maternal anatomy: mother's bony pelvis; tissues of the cervix; pelvic floor; vagina; introitus 3) position - position changes mom's anatomic and physiologic adaptation to labor 4) psychology 5) passenger - descent through the birth canal is determined by the fetal head size, lie, presentation, attitude, and position theories of labor onset - maternal factors? - oxytocin release: stimulating nipples can cause oxytocin release and labor/ctx - cervix - uterine muscle: dehydration can make it cramp; over-distension leads to contractions - progesterone decrease: leads to a less relaxed uterus/ctx which leads to delivery - progesterone keeps you pregnant; it relaxes muscles and ligaments theories of labor onset - fetal-placenta factors? - prostaglandin production: prod by fetal membranes and decidua which leads to uterine ctx - cortisol release: causes decreased progesterone release and increased prostaglandin release - placental aging - ROM - can begin the labor signs of impending labor? - lightening - inc vaginal discharge - inc energy - GI sx: period-y GI sx such as cramps, bloating, diarrhea - bloody show - ROM - lower back pain - wt loss - uterine ctx good things to ask mom about preparedness for birth and psychological responses? - ask mom and involve family about what mom wants from her birth experience - breastfeeding/skin-to-skin - delayed cord clamping - who she wants in the room - what do you know about the induction process - pain management; when to get epidural - goals for the day what is fetal lie? - relationship of the long axis/spine of the fetus to the long axis of the mom - longitudinal or transverse; oblique is rare - with transverse lie, there is a high risk of umbilical cord coming out - transverse lie can happen with an overdistended uterus from several previous births different fetal positions: cephalic and breech? 1) cephalic - occiput or vertex: flexed head allows smallest diameter of head to pass through pelvis; best and most common - sinciput: head not flexed or extended; largest diameter - brow: largest diameter; head extended - face: head hyperextended with face presenting - brow and face normally do not come out vaginally