Ultrasound in the first 6 weeks of pregnancy Flashcards
1
Q
When is the intra-deciducal sign seen?
A
4.5-5 weeks
2
Q
GS grows approx ___ /day during the first 5-6 weeks
A
1mm
3
Q
the “inner ring” of the double decidual sign is the ____, “outer ring” is the _____
A
chorion, embryonic disc and decidua capsularis
decidua parietalis
4
Q
T or F - yolk sac is diagnostic of an IUP
A
T
5
Q
A normal yolk sac should measure
A
</= 6mm
6
Q
What is the “double bleb” sign
A
amnion/embryo + YS
7
Q
Amniotic cavity obliterates the chorionic cavity between _____ weeks when the membranes fuse
A
14-16
8
Q
We should always see a YS when bhcg is
A
> 2000-3000 mIU/mL
9
Q
Embryo should be seen when MSD is
A
25 mm
10
Q
HR needs to be seen in all embryos >/= ___ mm
A
7mm
