Preganancy Physiology Flashcards
What is the normal range for fetal heart rate?
100-160
How much does blood volume increase during pregnancy?
30-50%
What hormone is responsible for maintaining pregnancy?
Progesterone
What are three cardiovascular changes in pregnancy?
Increased cardiac output, increased blood volume, decreased vascular resistance
Which organ provides oxygen and nutrients to the fetus?
Placenta
What is quickening?
First fetal movements felt by the mother
What is fundal height?
Measurement from the pubic bone to the top of the uterus
What is gestational diabetes?
Temporary diabetes due to insulin resistance in pregnancy
What is preeclampsia?
High blood pressure and proteinuria after 20 weeks gestation
How many arteries and veins does the umbilical cord contain?
2 arteries, 1 vein
What role does progesterone play in pregnancy?
Maintains uterine lining and prevents contractions early in pregnancy
Which hormone is responsible for milk production?
Prolactin
What is the purpose of amniotic fluid?
Protect fetus from injury
What physiological changes occur in the respiratory system during pregnancy?
Increased oxygen demand, decreased lung capacity, increased tidal volume
What is the role of human chorionic gonadotropin in pregnancy?
Supports the corpus luteum which produces progesterone to maintain pregnancy
Reproductive system
Formation of mucus plug in the cervix, vaginal mucosa thicken, breast enlargement
Grava and para
Grava: total number of pregnancies including current
Para: number of pregnancies carried by a woman for atleast 20 weeks that resulted in live or still birth