Early Pregnancy Development Flashcards
(10 cards)
1
Q
Most common presenting sx molar pregnancy
A
vaginal bleeding
2
Q
Partial mole karytoype
A
69XXX or 69XXY > 69XYY
3
Q
Complete mole karyotype
Etiology
A
46XX > 46YY
most common: haploid sperm duplicates
less common: dispermy
4
Q
GTN rates after mole (partial vs complete)
A
partial: 1-5%
complete: 15-20%
5
Q
Timing of di-di twinning
A
3 days
6
Q
Which type of twins can be different sex?
and why?
A
di-di twins
(etiology is dizygotic, not cleavage)
7
Q
GA timing of monochorionic, diamniotic twins
A
4-8 days
one placenta, two amniotic sacs (T sign)
8
Q
GA timing of monochorionic, monoamniotic twins
A
9-14d
1 placenta, 1 amniotic sac
9
Q
GA timing of conjoined twins
A
> 13d
10
Q
Most common twinning type?
A
di-di twins
