midterm kahoot 1 Flashcards
(24 cards)
the sperm and eggs are mixed together before being placed inside the fallopian tubes
GIFT - gamete intra-fallopian transfer
decidual reaction is a sign of intrauterine implantation of GS, and not an ectopic implantation
false
rate of growth of sac size in early 1st trimester
0.1 cm/day
on TV US if GS is at least ___ mm and no embryo is seen, it might be a sign of miscarriage
16mm
on TA scan if GS is at least ____ mm and no embryo is seen, it might be a sign of miscarriage
25
fetal HR is highest at around
9 weeks (180bpm!)
when does amnion and chorion fuse
16-20 weeks
in early 1st trimester umbilical cord contains all these except
YES
umbilical vein/arteries
allontois
vitelline duct
umbilical cord cysts during the 1st trimester are
normal finding
t/f YS function - produces hCG
FALSE
rate of growth of YS in early first trimester
0.1 mm/day
NT (3)
measured inner to inner
zoomed to head/chest, midline
<3 mm is normal
maternal serum screening done with NT includes the measurement of (2)
b-hCG
PAPP-A
main factors (2) in increase of incidence of multifetal pregnancies are
advanced maternal age
ART
monozygotic twins: if zygote divides at day 4-8 of conception, it leads to
MC/DA (split at blastocyst stage)
monozygotic twins: if zygote divides at day 1-3 of conception, it leads to
DC/DA
monozygotic twins: if zygote divides at day 8-13 of conception, it leads to
MC/MA
monozygotic twins: the earlier the zygote division the more complications preg will have
false
inadequate uterine growth during preg could be due (3)
olygohydramnios
wrong dates
IUGR (intrauterine growth restriction)
Accuracy of GA measurements during 1st trimester (CRL)
+/- 5-7 days
accuracy of GA measurements during the 3rd trimester
+/- 21 days
when we measure femur length what are we measuring?
diaphysis/shaft
what measurement gives more accurate GA due to variation sin head shape?
HC
in what plane abdo circumference is measured (2)
trv
axial