OB: Healthy Pregnancy

Question 1

Fetus is vulnerable to teratogens at __ weeks

Answer 1

2-8 weeks

Question 2

what can you see on a 20 week fetus

Answer 2

nails, lanugo (peach fuzz), and can tell gender

Question 3

what can you see on a 25 week fetus

Answer 3

fetus is covered ( cream cheese coating - protectant)

Question 4

Amniotic fluid ( origin/ purpose)

Answer 4

• babys urine
• protects umbilical cord, thermoregulation, protection, allows fetal movement

Question 5

Umbilical cord (structure)

Answer 5

2 arteries and 1 vein
(covered in wharton’s jelly - keeps cord from collapsing)

Question 6

Placenta (function/ anatomy)

Answer 6

• Allows the fetus to receive O2 + nutrients from mothers blood through osmosis and produces hormones
• 1 shiny isde (baby side) and 1 dully/spongy side (mothers side that connects to the uterus )

Question 7

Maternal changes R/T pregnancy: Uterus

Answer 7

increase in size and thickness
Braxton hicks contractions (contractions that aren’t real )

Question 8

Maternal changes R/T pregnancy: Breast

Answer 8

size, tenderness, pigmentation, production of colostrum (initial breast milk)

Question 9

Maternal changes R/T pregnancy: Cervix

Answer 9

Increased vascularization leads to:
1. Goodwell’s sign: softening of cervix
2. Chandwick’s sign: bluish coloring

Question 10

Maternal changes R/T pregnancy: Vagina

Answer 10

increased acidic secretions
loosening of connective tissue

Question 11

Maternal changes R/T pregnancy: Cardiovascular

Answer 11

increased cardiac output, pulse, blood volume 40-45%, plasma volume by 50%

BP decreases slightly and returns to near normal by term

Question 12

Maternal changes R/T pregnancy: GI

Answer 12

• N/V, pyrosis (heart burn), ptyalism (salivation0
  -changes in gum tissue, bloating/constipation
• risk for gallstone formation

Question 13

Maternal changes R/T pregnancy: Urinary tract

Answer 13

• increased urinary frequency

Question 14

Maternal changes R/T pregnancy: Integumentary

Answer 14

• Linea nigra: line over abdomen
• Chloasma: darkening of skin r/t hormones
• Striae: stretch marks
• Spider veins

Question 15

Maternal changes R/T pregnancy: Nutrition

Answer 15

During the 2nd and 3rd trimester calorie intake should increase by 300 kcal/day

Question 16

Hormones in pregnancy: HCG

Answer 16

pregnancy hormone

Question 17

Hormones in pregnancy: HPL

Answer 17

• Human Placental Lactogen
• Allows form more free floating glucose for fetal development

Question 18

Hormones in pregnancy: Estrogen

Answer 18

helps w/ uterine development, prepares breast milk production

Question 19

Hormones in pregnancy: Progesterone

Answer 19

maintain pregnancy, lactation

Question 20

Hormones in pregnancy: Relaxin

Answer 20

inhibits uterine activity, softens cervix for birth

Question 21

Hormones in pregnancy: Prolactin

Answer 21

role in lactation

Question 22

Hormones in pregnancy: Oxytocin

Answer 22

role in contractions

Question 23

Calculation for estimated due date

Answer 23

First day of last menstural cycle subtract 3 months add 7 days

Question 24

Intrapartum

Answer 24

during labor

Question 25

Gravida

Answer 25

number of times pregnant

Question 26

Para

Answer 26

number of deliveries thats 20 wks or greater

Question 27

1. Gestation 2. Abortion 3. Term

Answer 27

1. pregnancy 2. miscarriage or elective before 20 wks 3. 40 wks (actually 38-42 wks)

Question 28

TPAL ( provides further explanation to pregnant hx)

Answer 28

T: term pregnancies P: preterm ( 28 - 37 wks 6 days ) A: abortions/miscarraige ( less than 20 wks) L: living