Final Flashcards
(292 cards)
Midgut herniation is considered abnormal past ___ weeks.
12
14 according to ppt
When is NT abnormal?
3mm+
When is implantation complete?
Day 23
When does fertilization occur? Where?
24-36 hours after ovulation in the ampulla
Blastocyst burrows about ___ days after fertilization.
7 days
When do the amnion and chorion fuse?
12-16 weeks, 14-16 weeks LMP
Where is the yolk sac located?
chorionic cavity
The yolk sac is visualized endovaginally at week ___. It will always be seen when the MSD is ___ mm.
week 5, 8mm
A missed abortion is defined as:
Retention of a dead conceptus for a prolonged period (e.g. 2 months)
The CRL measurement may be used through week ___.
12
The length of time calculated from the first day of the last normal menstrual period to the point at which the pregnancy is being assessed is ______ age and _____ age.
gestational and menstrual
The interface between the decidua capsularis and echogenic vascular endometrium is ______.
the double decidual sign
The first site of formation of RBCs that will nourish the embryo is the ____.
Primary yolk sac
The diameter of the yolk sac should never be more than ___ mm.
6 (5.6)
After fertilization, the corpus luteum produces
estrogen and progesterone
The zygote undergoes rapid cell division to form the 12-16 cell
morula
A pt is 10 weeks and presents with extremely elevated hCG levels and pregnancy induced HTN. You suspect:
hydatidiform mole
A heterotopic pregnancy is:
an ectopic pregnancy with a normal IUP
In a ruptured ectopic, which site is more life threatening?
a. interstitial
b. ampulla
c. fimbria
d. isthmus
a. interstitial
Theca lutein cysts, pregnancy induced HTN, hyperemesis, and large for gestational age are all associated with ____.
GTD
A molar pregnancy that is invasive but does not metastasize is called ___.
chorioadenoma destruens
hCG titers with an ectopic
will not double every two days, will be lower than normal then start dropping
hCG titers with GTD
abnormally high
What is the most accurate measurement to determine EDD?
CRL