-
Up to 10 weeks gestational age the mean diameter of the normal gestational sac should grow:
1 mm per day
-
Physiologic herniation will no longer be present when the crown rump length equals:
Greater than or equal to 45 mm or 4.5 cm
-
Upper limit of normal diameter measurement of the physiologic midgut herniation is:
7 mm
-
Based on the IRP a normal gestational sac should be seen transabdominal at:
Greater than or equal to 3600 mIU/ml
-
Based on the IRP a normal gestational sac should be seen transvaginal at:
Greater than or equal to 2000mIU/ml
-
Based on the second international standard, normal gestational sac should be seen transabdominal at:
Greater than or equal to 1800mIU/ml
-
Based on the second international standard, a normal gestational sac should be seen transvaginal at:
Greater than or equal to 1000 mIU/ml
-
A yolk sac is considered abnormal when it's diameter exceeds:
Greater than 6 mm
-
By ____ weeks gestational sac should grow to fill the uterine cavity.
10 weeks
-
Crown rump length begins to lose accuracy after how many gestational weeks?
11 weeks
-
Normally, the nuchal translucency does not exceed:
3 mm
-
Sonographically, fetal gender cannot be determined until:
16 weeks gestation
-
A placenta previa can be ruled out if the placental edge is at least ____ from the internal cervical os.
2 cm
-
The thickness of a full-term placenta rarely exceeds ____.
4 cm
-
As a general rule, one should not see a grade 3 placenta until:
35 to 37 weeks
-
Epiphyseal centers will not be identified until after:
30 weeks
-
Nuchal skinfold criteria/measurements are unreliable after ____ weeks.
24 weeks
-
If no embryo is seen within a sac, one can roughly calculate the gestational age in weeks by measuring the mean sac diameter and adding ___ to it.
2 weeks
-
Kidneys begin functioning and produce amniotic fluid at ___.
12 to 15 weeks
-
The postpartum uterus should revert back to the pre-gravid size within:
Four weeks
-
The postpartum period last:
6 to 8 weeks
-
Twin growth is similar to that of singletons up to:
30 weeks
-
_____ is given to Rh negative mothers to protect against alloimmunization, usually at ___ weeks.
RhoGAM; 28 and 32 weeks
-
A macrosomic fetus is said to weigh ____ at birth.
4600 g
-
Normal AFI =
13 cm +/- 10cm
-
For best results, the optimal gestational age for karyotyping by amniocentesis is:
15 to 16 weeks
-
At what gestational age is chorionic villus sampling the commonly performed:
10 to 13 weeks
-
Nuchal fold thickness is usually measured at what gestational age?
15 to 21 weeks
-
Corpus lutesl cyst usually resolved by:
16 weeks
-
Pelvic surgery to remove a mass is best performed when?
16 to 20 weeks
-
Postmenopausal endometrial thickness should measure:
Less than or equal to 5 mm
-
Normal nulligravid uterus size is:
8 x 3 x 4 cm
-
Ovulation occurs when the dominant follicle reaches what size?
2.5 cm
-
Periovulatory endometrium is seen on what day of a woman's cycle?
Approximately day 14
-
Fertilization usually occurs ___ hours after ovulation.
24 to 36 hours
-
Until ovulation, ovarian follicles grow at a rate of:
2 to 3 mm per day
-
How soon after conception will pregnancy tests show positive results?
1 to 2 weeks
-
The second IS for hCG is ____ the IRP level.
1/2
-
When monitoring hormone levels during early pregnancy, normal hCG levels double every ___ hours.
48 hours
-
The endometrial canal of a 30-year-old on day eight of her cycle with normal periods should measure:
About 8 mm
-
With a history of normal menstrual cycles, on which day does ovulation occur?
Day 14
-
In absence of fertilization, the corpus luteum cyst should regress after:
14 days
-
The endometrium of a patient receiving hormone replacement therapy would be considered abnormal if it measured more than:
8 mm
-
Benign adnexal masses usually measure:
Less than 5 cm
-
Physicians do not start to consider a C-section due to placental previa until:
37 weeks
-
At what time is the triple screen performed?
Between 14 and 19 weeks
-
How much fluid is needed for an amniocentesis?
20 to 30 mL
-
When is a percutaneous umbilical blood sampling performed?
17 weeks to term
-
When does the morula reach the endometrial canal?
Day 3 to 4
-
At which week does the heart tube begin to form and beat?
Fifth week
-
Which week do fingers and toes form?
Week 8
-
What week does the fetus start to swallow amniotic fluid?
Week 10
-
What week does the placenta and umbilical cord begin to form?
Week 6
-
Stomach should be visualized when the crown rump length equals ___.
23 mm (10 weeks)
-
Gestational sac at about four weeks is?
2-3 mm
-
Consistent demonstration of the secondary yolk sac is seen when?
5 1/2 weeks
-
Maximum diameter of the yolk sac is ____ mm when crown rump length equals ___ mm.
6 mm when crown rump length equals 30 to 45 mm
-
At what week should the yolk sac not be seen?
Week 10
-
When is cardiac activity is first seen?
36 days or 6 to 6 1/2 weeks
-
Cardiac activity is routinely detected when crown rump length equals:
5 to 7 mm
-
Normal eight weak heart rate
Between 140 and 160 bpm
-
Bradycardia in the first trimester is considered
Less than 100 BPM before 6.2 weeks or less than 120 BPM between 6.3 and 7 weeks
-
The most accurate measurement of the gestational age is performed when?
Between 6 and 10 weeks LNMP
-
A crown rump length of ___ signifies transition from embryo to fetus.
30 to 35 mm
-
when is the rhombencephalon seen?
From weeks 7 to 9
-
Midgut herniation should not be present if crown rump length is ___.
greater than or equal to 45 mm
-
A spontaneous abortion is a pregnancy termination prior to ___ weeks gestation.
20 weeks
-
A dilated cervix greater than ___ signifies an inevitable abortion.
3 cm
-
A yolk sack should be demonstrated when a gestational sac measures ____.
8 mm or greater
-
An embryo should be demonstrated when gestational sac measurement is ___.
16 mm or greater
-
The normal range of the cisterna magna measurement is:
3 to 11 mm
-
AP measurement of renal pelvis should measure ____ prior to 20 weeks.
Less than 4 mm
-
AP renal pelvis measurement should be ___ after 20 weeks.
less than 7 mm
|
|
