WorksheetsOb Ch 29
Total questions: 33
Worksheet time: 18mins
What is the most common form of twinning?
dizygotic
monozygotic
identical
conjoined
Which placental membrane is closest to the uterus?
monoamnion
chorion
amniotic plate
amnion
Identify the placentation type that results from late division of the fertilized ova.
DC/MA
MC/DA
MC/MA
DC/DA
Choose the fetal complication of a multifetal complication.
placenta previa
placental abruption
preeclampsia
preterm birth
Identify the type of membranes in the twin pregnancy imaged.
monochorionic/monoamniotic
dichorionic/diamniotic
dichorionic/monoamniotic
monochorionic/diamniotic
What type of membrane configuration is present in twins of different genders?
Dichorionic/monoamniotic
Dichorionic/diamniotic
Monochorionic/monoamniotic
Monochorionic/diamniotic
Arterial to venous anastomoses within a shared placenta may result in. which syndrome?
Papyraceus
IUGR
TTTS
TRAP
Select the type of membranes found with conjoined twins.
Monochorionic/diamniotic
Monochorionic/monoamniotic
Dichorionic/monoamniotic
Dichorionic/diamniotic
Which type of membranes is found with TTTS?
Monochorionic/diamniotic
Dichorionic/diamniotic
Monochorionic/monoamniotic
Dichorionic/monoamniotic
What type of membrane is shown.
Monochorionic/diamniotic
Dichorionic/diamniotic
Monochorionic/monoamniotic
Dichorionic/monoamniotic
What type of "sign" does the amniotic membrane show?
lambda sign
T sign
y sign
twin peak sign
Twin peak sign and lambda sign are the same.
TRUE
FALSE
What twin will you start with when scanning to make twin A
Baby closest to the cervix (presenting)
Baby away from cervix (non presenting)
Baby to the left
Baby to the right
How many sacs and placentas does a mono/Di pregnancy have
2 placenta, 1 sac
2 sacs, 1 placenta
How many sacs and placentas does a mono/mono have?
1 sac, 1 placenta
2 sac, 2 placenta
Thoracopagus is:
joined twins at the head
joined twins at the buttocks
joined twins at the thorax
joined at the abdominal wall
Paygopagus is:
joined at the thorax
joined at the buttox
joined at the abdominal wall
joined at the head
Craniopagus is:
joined at the abdominal wall
joined at the buttox
joined at the head
joined at the thorax
What is the small arrow pointing to?
TTTS
vanishing twin
donor twin
fetus spine
What does letter C indicate?
vanishing twin
early subchorionic bleed
triple pregnancy
fetus papyraceus
What can u tell from this image?
not enough info
MC/MA
conjoined twins
don't know
Definition of chorionicity.
determination of number of chorionic membranes adjacent to the uterus
determination of number of fetal amniotic membranes
Definition of amnionicity.
determination of number of chorionic membranes adjacent to the uterus
determination of the number of fetal amniotic membranes
What does this image represent?
MC/DA
DC/DA
MC/MA
DC/DA fused
What does this image represent?
MC/MA
DC/DA
DC/DA fused
MC/DA
What does this image represent?
DC/DA
MC/DA
DC/DA fused
MC/MA
What does this image represent?
DC/DA
DC/DA fused
MC/MA
MC/DA
Which incidences are MOST COMMON in multiple gestation?
maternal age
family history
environment
Assisted reproductive therapy (ART)
Which best describes Dizygotic (DZ) twinning?
fertilization of 2 ovum
influenced by genetics,ART, maternal age
2 placenta and 2 membranes
1 membrane 2 placenta
Which best describes Monozygotic (MZ) twinning?
single ovum division
random event
placentation and membranes vary
DC/DA, MC/MA, MC,DA
Fetal complications include:
morbidity and mortality
preterm birth
IUGR
fetal anomalies
Maternal complications include:
morbidity and mortality
preeclampsia
hypertension
placenta previa
postpartum hemorrhage
What sign is shown in this image?
Y sign
T sign
Twin peak
fused sign
