Gestational age begins with this
1st day of LMP (last menstrual period)
begins with implantation
Pregnancy diagnosis is made with this
beta-hCG
Beta-hCG is an analog of this
LH
(stimulates progesterone release from CL in early pregnancy)
Beta-hCG is secreted by these cells
Syncytiotrophoblast cells
Beta-hCG is detectable at this time
At implantation
6-9 days after conception
Beta-hCG levels peak at this time
8-10 weeks
Beta-hCG levels decline to plateau at this time
20 weeks
Fetal chromosomal disorders cause low or high beta-hCG levels?
Low
(*except Down syndrome = high)
Molar pregnancy causes low or high beta-hCG levels?
High
Down syndrome causes low or high beta-hCG levels?
High
Ectopic pregnancy causes low or high beta-hCG levels?
Low
This molecule decreases vascular tone in pregnancy
Progesterone
Vascular tone is decreased or increased in pregnancy?
Decreased
(d/t progesterone)
Pregnancy can produce this murmur
Systolic flow murmur; S3 gallop
Pregnancy can cause this acid/base imbalance
Respiratory alkalosis
(due to tachypnea)
Pregnancy causes respiratory alkalosis due to this
Tachypnea
(progesterone effect on CNS)
Pregnancy causes respiratory alkalosis due to tachypnea, which is the result of this
Progesterone effect on CNS
Does pregnancy cause decreased or increased smooth muscle tone?
Decreased
Pregnancy causes this effect on the ureters
Hydroureter
(due to smooth muscle hypotonia)
Why does pregnancy cause hydroureter?
Smooth muscle hypotonia
How can pregnancy cause gallstones?
Decreased smooth muscle tone
How can pregnancy cause pruritus?
Decreased smooth muscle tone = cholestasis
Pregnancy increases these 3 coag factors
Fibrinogen
Factor V
Factor VIII
Pregnancy results in less or more coagulable state?
Hypercoagulable
esp venous