Chapter 32: Obstetric and Gynecologic Emergencies Flashcards
Name the external genitalia.
Labia, perineum, mons pubis
Name the internal genitalia.
The vagina, the ovaries and fallopian tubes, and the uterus
What is the vagina?
The birth canal and smooth muscle
What are characteristics of ovaries and fallopian tubes?
Ovaries are responsible for producing ova; fallopian tubes (oviducts) are where fertilization usually occurs; ectopic pregnancy occurs outside of fallopian tubes
What are characteristics of the uterus?
Muscular, hollow organ located along midline in women’s lower abdominal quadrants; intended site for fertilized egg to impolite and develop into a fetus
What is the cervix and where is it located?
It’s a muscular ring separating the uterus and vagina
Name characteristics of menstruation.
Stimulated by estrogen and progesterone; ovaries release ovum; uterus walls thicken; fallopian tubes move egg; uterine walls expelled
What is peristalsis?
Fallopian tubes move egg
What is the process of fertilization?
Sperm reaches ovum, ovum becomes embryo, embryo implants in uterus, fetal stage begins
How long is pregnancy?
Nine months of pregnancy (Three 3-month trimesters)
What is a placenta?
Organ of maternal and fetal tissues; exchange area of oxygen and nutrients between mother and fetus
What is the function of the umbilical cord?
Circulates blood and is expelled with delivery of baby, placenta
What is the purpose of the amniotic sac?
Fluid that allows fetus to float, cushions fetus, and maintains constant fetal body temperature
What are some changes in the cardiovascular system during pregnancy?
Increased blood volume, cardiac output, and heart rate
What are some changes in the respiratory system during pregnancy?
Increased oxygen demand and consumption
What are some changes in the gastrointestinal system during pregnancy?
Nausea and vomiting, slowed digestion
Changes in hormones during pregnancy causes what to ligaments?
Ligaments made more elastic, thus more vulnerable to injury
What can the additional weight during pregnancy cause?
affects posture, possible leading to back pain and balance issues
What is Supine Hypotensive Syndrome?
Placenta, infant, and amniotic fluid total 20-24 lbs; when supine, mass compresses inferior vena cava; cardiac output decreases; dizziness and drop in blood pressure
What is the first stage of labor?
Starts with regular contractions and ends when cervix fully dilated
What is the second stage of labor?
Baby enters birth canal and is born.
What is the third stage of labor?
Begins after baby is borne and ends when afterbirth is delivered
What are Braxton-Hicks contractions?
Irregular, not sustained and not indicative of impending delivery in the first stage of labor
What is lightening?
Fetus’s moment from high in the abdomen down toward birth canal in the first stage of labor