(Iii-Obgyn) Maternal Physiology Of Pregnancy

Front 1

Increase or decrease or unchanged during pregnancy?

Protein and lipid synthesis

Back 1

Increased

Front 2

Increase or decrease or unchanged during pregnancy?

Need for iron and folate

Back 2

Increased

Front 3

Increase or decrease or unchanged during pregnancy?

Risk of anemia

Back 3

Increased (due to increased need for iron and folate)

Front 4

Increase or decrease or unchanged during pregnancy?

Glucose tolerance

Back 4

Trick question!

Early on you have more sensitivity to insulin, later on it's lower

Front 5

Increase or decrease or unchanged during pregnancy?

WBC count

Back 5

Increased

Front 6

Increase or decrease or unchanged during pregnancy?

RBC mass

Back 6

Increases

Front 7

Increase or decrease or unchanged during pregnancy?

Testosterone

Back 7

Increases

Can lead to hirsutism and acne during pregnancy

Front 8

Increase or decrease or unchanged during pregnancy?

Estrogen

Back 8

Increases

Front 9

Increase or decrease or unchanged during pregnancy?

Progesterone

Back 9

Increases

Front 10

Increase or decrease or unchanged during pregnancy?

Aldosterone

Back 10

Increases

Front 11

Increase or decrease or unchanged during pregnancy?

Blood pH

Back 11

pH should increase - Respiratory alkalosis due to increased tidal volume

Front 12

Increase or decrease or unchanged during pregnancy?

Respiratory rate

Back 12

Unchanged

Front 13

Increase or decrease or unchanged during pregnancy?

Stroke volume

Back 13

Increased

Leads to increased cardiac output, which may lead to dependent edema or a flow murmur

Front 14

Increase or decrease or unchanged during pregnancy?

Peripheral vascular resistance

Back 14

Decreases

Can lead to hypotension or postural hypotension

Front 15

Increase or decrease or unchanged during pregnancy?

Muscle tone

Back 15

Decreases

Front 16

Increase or decrease or unchanged during pregnancy?

GFR

Back 16

Increases (by as much as 60%)

This, coupled with increased aldosterone can lead to urinary frequency, hydroureter, UTIs and pyelonephritis

Front 17

Increase or decrease or unchanged during pregnancy?

LES tone

Back 17

Decreases

Could lead to GERD

Front 18

Increase or decrease or unchanged during pregnancy?

Bile flow

Back 18

Decreases

Could lead to gallstones

Front 19

Increase or decrease or unchanged during pregnancy?

Alpha-melanocyte-stimulating hormone

Back 19

Increased production... responsible for increase in skin pigmentation

Front 20

Increase or decrease or unchanged during pregnancy?

Dental carries

Back 20

No change

Front 21

How far along in pregnancy does morning sickness begin? When does it end?

Back 21

Begins 4-8 weeks. Ends 14-16 weeks.

Related to hCG production

Front 22

Increase or decrease or unchanged during pregnancy?

Caloric Requirement

Back 22

Increased need by 300kcal / day

Front 23

20 year old G1P0 in 20th week of pregnancy feels nauseated. Is this normal?

Back 23

Not physiolgical: This is hyperemesis gravidum and is associated with wt loss, ketonemia, electrolyte imbalances

Front 24

Increase or decrease or unchanged during pregnancy?

Water absorption from GI tract

Back 24

Increased

Leads to constipation

Front 25

Increase or decrease or unchanged during pregnancy?

Alk phosphatase production

Back 25

Increases

Front 26

Increase or decrease or unchanged during pregnancy?

Total lung capacity

Back 26

Decreases

Front 27

Increase or decrease or unchanged during pregnancy?

Expiratory reserve volume

Back 27

Decreases

Front 28

Increase or decrease or unchanged during pregnancy?

Vital capacity

Back 28

Increases