OB/GYN ARDMS Registry Review
(OB/GYN Registry Review) 2023 With
100% Correct Answers
Rhombencephalon - Answer The primitive hindbrain can be seen as a cystic
structure with in the embryonic head?
Decidua Basalis - Answer The maternal side of the developing placenta is referred to
as the?
1 mm/day - Answer Up to 10 weeks gestational age, the mean diameter of the
normal gestational sac should grow?
12 weeks
CRL measures > 45mm - Answer Physicologic hernation of fetal intestines outside
the abdomen should not be seen after what gestational age?
7 mm - Answer The base of the umbilical cord should not exceed?
3600 units/liter
2000 units/liter - Answer One should be able to transabdominally image a gestational
sac when the IRC level for hCG is = or >?
Transvaginally?
Hydatiform Mole - Answer Patient is 10 weeks by menstrual dates with pregnancy
induced hypertension. You suspect?
Preeclamsia - Answer Almost always pathonomonic of a molar pregnancy in the 1st
trimester?
Dilated cervix - Answer Pregnant patient presents with bledding and cramping. What
would be suspect of an inevitable abortion?
Heteroectopic pregnancy - Answer An ectopic with a normal IUP?
Yolk Sac - Answer To differentiate an early IUP from a pseudogestational sac, it is
helpful to visualize?
6mm
Irregulary shaped
Calcified - Answer A yolk sac is considered abnormal when it's diameter exceed?
Shape? Appearance?
Methotrexate - Answer What drug can be used to treat an early unruptured ectopic
pregnancy in order to preserve fertility?
Anteflexed - Answer The most common position of a uterus is?
Interstitual
,OB/GYN ARDMS Registry Review
(OB/GYN Registry Review) 2023 With
100% Correct Answers
Rupture is accompanied by bleeding from the uterin arteries - Answer In a ruptured
extopic pregnancy, which section of the tube is most life threatening?
Why?
The amnion and yolk sac - Answer The double bleb sign refers to?
8 weeks
10 weeks - Answer At how many weeks, the normal gestational sac should occupy
1/2 of the uterine cavity and show a yolk sac, embryo and heart beat?
At how many weeks will it fill the uterine cavity with a well defined fetus?
Trophoblastic Disease - Answer 1. A group of rare tumors that involve abnormal
growth of cells inside the uterus. They start in cells that would normaly develope into
the placenta.
Complete Hydatiform Mole - Answer Most common form of Trophoblastic Disease?
Complete - Answer A Hydatidiform Mole from trophoblastic neoplasia without the
presents of an embryo?
Partial - Answer A Hydatidiform Mole from trophoblastic neoplasia with an abnormal
embryo or fetus.
Theca Lutein Cysts - Answer Functional ovarian cysts are called?
Trophoblastic Disease - Answer Associated with:
Hydatididform Mole
Theca Lutein Cysts
Pregnancy induced hypertension
Hyperemesis gravidarum
Large for gestational age
All characteristics of?
CRL - Answer Most reliable calculation for the EDC is?
11 weeks - Answer Because of spinal segmentation, CRL begins to loose accuracy
after how many weeks?
Vitelline Duct (omphalomesenteric duct) - Answer The structure that initially
maintains a connction between the yolk sac and embryo once they diverge from
each other?
Contains and artery and a vein.
Nuchal translucency - Answer Thickening of the nuchal soft tissue during the 1st
trimester and a strong corrolation for chromosomal defects?
, OB/GYN ARDMS Registry Review
(OB/GYN Registry Review) 2023 With
100% Correct Answers
Shirodkar Procedure - Answer A procedure preformed to treat and incompentent
cervix. The most complicated, the suture is almost completely buried beneath the
cervical mucosa?
McDonald Procedure - Answer A procedure preformed to treat and incompentent
cervix with a less invasive outcome using a purse string suture.
Ectopic - Answer With this type of pregnancy, the most common symptom is pain?
Interstital - Answer An ectopic pregnancy in this part of the tube is more life
threatening?
3mm - Answer Normally, nuchal translucency doesn't exceed?
Chorid Plexus - Answer This lies within the atria of the lateral ventricals bilaterally?
Lateral Ventricular Atria - Answer In ruling out hydrocephalus, where would one 1st
begin to see enlargement?
1cm in largest dimension transversely - Answer The normal measurements for the
lateral ventricla of the fetal brain are?
3 ossidication centers (2 posterior pointing toward each other, 1 anterior) - Answer
When the fetal spine is imaged transversly, the ultrasound demonstrates?
M-mode - Answer What US modality would you us to prove fetal life on a frozen
image?
Left Atrium - Answer The anatomic structure closest to the spine in a 4-chamber
heart view is?
Fetal Heart - Answer This occupies 1/3 of the chest cavity pointing toward the left
side of the fetus?
RVOT - Pulmonary Artery
LVOT - Ascending Aorta - Answer The great vessels of the heart consist of?
Foramen Ovale - Answer Communication between right and left Atria is termed?
45 degree angle to the left of midline - Answer In a normal fetus, the heart is
positioned at what angle?
Chordae Tendineae / papillary muscle - Answer A small rounded echoginic structure
withing the left ventrical of the heart is?
Coronal - Answer Which view best demonstrated the diaphram?
(OB/GYN Registry Review) 2023 With
100% Correct Answers
Rhombencephalon - Answer The primitive hindbrain can be seen as a cystic
structure with in the embryonic head?
Decidua Basalis - Answer The maternal side of the developing placenta is referred to
as the?
1 mm/day - Answer Up to 10 weeks gestational age, the mean diameter of the
normal gestational sac should grow?
12 weeks
CRL measures > 45mm - Answer Physicologic hernation of fetal intestines outside
the abdomen should not be seen after what gestational age?
7 mm - Answer The base of the umbilical cord should not exceed?
3600 units/liter
2000 units/liter - Answer One should be able to transabdominally image a gestational
sac when the IRC level for hCG is = or >?
Transvaginally?
Hydatiform Mole - Answer Patient is 10 weeks by menstrual dates with pregnancy
induced hypertension. You suspect?
Preeclamsia - Answer Almost always pathonomonic of a molar pregnancy in the 1st
trimester?
Dilated cervix - Answer Pregnant patient presents with bledding and cramping. What
would be suspect of an inevitable abortion?
Heteroectopic pregnancy - Answer An ectopic with a normal IUP?
Yolk Sac - Answer To differentiate an early IUP from a pseudogestational sac, it is
helpful to visualize?
6mm
Irregulary shaped
Calcified - Answer A yolk sac is considered abnormal when it's diameter exceed?
Shape? Appearance?
Methotrexate - Answer What drug can be used to treat an early unruptured ectopic
pregnancy in order to preserve fertility?
Anteflexed - Answer The most common position of a uterus is?
Interstitual
,OB/GYN ARDMS Registry Review
(OB/GYN Registry Review) 2023 With
100% Correct Answers
Rupture is accompanied by bleeding from the uterin arteries - Answer In a ruptured
extopic pregnancy, which section of the tube is most life threatening?
Why?
The amnion and yolk sac - Answer The double bleb sign refers to?
8 weeks
10 weeks - Answer At how many weeks, the normal gestational sac should occupy
1/2 of the uterine cavity and show a yolk sac, embryo and heart beat?
At how many weeks will it fill the uterine cavity with a well defined fetus?
Trophoblastic Disease - Answer 1. A group of rare tumors that involve abnormal
growth of cells inside the uterus. They start in cells that would normaly develope into
the placenta.
Complete Hydatiform Mole - Answer Most common form of Trophoblastic Disease?
Complete - Answer A Hydatidiform Mole from trophoblastic neoplasia without the
presents of an embryo?
Partial - Answer A Hydatidiform Mole from trophoblastic neoplasia with an abnormal
embryo or fetus.
Theca Lutein Cysts - Answer Functional ovarian cysts are called?
Trophoblastic Disease - Answer Associated with:
Hydatididform Mole
Theca Lutein Cysts
Pregnancy induced hypertension
Hyperemesis gravidarum
Large for gestational age
All characteristics of?
CRL - Answer Most reliable calculation for the EDC is?
11 weeks - Answer Because of spinal segmentation, CRL begins to loose accuracy
after how many weeks?
Vitelline Duct (omphalomesenteric duct) - Answer The structure that initially
maintains a connction between the yolk sac and embryo once they diverge from
each other?
Contains and artery and a vein.
Nuchal translucency - Answer Thickening of the nuchal soft tissue during the 1st
trimester and a strong corrolation for chromosomal defects?
, OB/GYN ARDMS Registry Review
(OB/GYN Registry Review) 2023 With
100% Correct Answers
Shirodkar Procedure - Answer A procedure preformed to treat and incompentent
cervix. The most complicated, the suture is almost completely buried beneath the
cervical mucosa?
McDonald Procedure - Answer A procedure preformed to treat and incompentent
cervix with a less invasive outcome using a purse string suture.
Ectopic - Answer With this type of pregnancy, the most common symptom is pain?
Interstital - Answer An ectopic pregnancy in this part of the tube is more life
threatening?
3mm - Answer Normally, nuchal translucency doesn't exceed?
Chorid Plexus - Answer This lies within the atria of the lateral ventricals bilaterally?
Lateral Ventricular Atria - Answer In ruling out hydrocephalus, where would one 1st
begin to see enlargement?
1cm in largest dimension transversely - Answer The normal measurements for the
lateral ventricla of the fetal brain are?
3 ossidication centers (2 posterior pointing toward each other, 1 anterior) - Answer
When the fetal spine is imaged transversly, the ultrasound demonstrates?
M-mode - Answer What US modality would you us to prove fetal life on a frozen
image?
Left Atrium - Answer The anatomic structure closest to the spine in a 4-chamber
heart view is?
Fetal Heart - Answer This occupies 1/3 of the chest cavity pointing toward the left
side of the fetus?
RVOT - Pulmonary Artery
LVOT - Ascending Aorta - Answer The great vessels of the heart consist of?
Foramen Ovale - Answer Communication between right and left Atria is termed?
45 degree angle to the left of midline - Answer In a normal fetus, the heart is
positioned at what angle?
Chordae Tendineae / papillary muscle - Answer A small rounded echoginic structure
withing the left ventrical of the heart is?
Coronal - Answer Which view best demonstrated the diaphram?
