physiologic process by which the fetus, placenta, and membranes are expelled from the uterus

NUR 148 Chp 16

• labor

Answer physiologic process by which the fetus, placenta, and membranes are expelled from the uterus (cervical changes)

• labor is an actual...

Answer medical diagnoses, so only physicians and midwives can legally say a woman is or is not in labor

• we dont know why a woman goes into labor, probably a combo of...

Answer hor- mones, maturity of the fetus, over-stretching of uterus, and aging placenta

• the P's that affect process of labor

Answer

• passenger, the fetus and placenta
• passageway, or birth canal
• powers, the uterine contractions and maternal pushing efforts
• position of mother
• psychologic response of mother

• how easily the passenger can get thru the pelvis is determined by fetal factors...

Answer

• size of fetal head
• presentation
• lie
• attitude
• position 1 / 3

• fetal skull is purposefully shaped to fit thru the...

Answer contours of the adult female pelvis

• oval head of fetus to fit thru...

Answer pelvic inlet

• sutures and fontanels allow fetal head to...

Answer mold and fit thru birth canal

• Molding "conehead"

Answer overlapping of fetal skull bones so fetal hea size and shape of maternal pelvis

• fetal presentation

Answer part of fetus that enters the pelvic first possibilities

Answer cephalic/vertex (head) - 96%, breech (buttocks) 3%, sh

• fetal lie

Answer describes relationship of the fetal long axis (head to foot) to that of the maternal long axis (spine)

• different possibilities for fetal lie

Answer

• longitudinal

Answer 2 / 3

includes cephalic/vertex and breech presentation, baby parallel to mom

• transverse

Answer includes shoulder presentation - not delivered vaginally baby perpendicular to mom

• oblique

Answer fetus at 45° to maternal spine (X shape) - not delivered vaginally

• transverse lie

Answer

• transverse lie 2

Answer

• oblique lie

Answer

• / 3