1 Exampromax - Stuvia US 2025/2026
OB/GYN ARDMS Registry Review Questions
with Detailed Verified Answers (100% Correct
Answers) Already Graded A+
The primitive hindbrain can be seen as a cystic structure with in the
embryonic head?
Ans: Rhombencephalon
The maternal side of the developing placenta is referred to as the?
Ans: Decidua Basalis
©, 2025 All rights reserved®
Up to 10 weeks gestational age, the mean diameter of the normal
Exampromax - Stuvia US
gestational sac should grow?
Ans: 1 mm/day
Physicologic hernation of fetal intestines outside the abdomen should not
be seen after what gestational age?
Ans: 12 weeks
CRL measures > 45mm
The base of the umbilical cord should not exceed?
Ans: 7 mm
One should be able to transabdominally image a gestational sac when the
IRC level for hCG is = or >?
Transvaginally?
Ans: 3600 units/liter
2000 units/liter
Patient is 10 weeks by menstrual dates with pregnancy induced
hypertension. You suspect?
, 2 Exampromax - Stuvia US 2025/2026
Ans: Hydatiform Mole
Almost always pathonomonic of a molar pregnancy in the 1st trimester?
Ans: Preeclamsia
Pregnant patient presents with bledding and cramping. What would be
suspect of an inevitable abortion?
Ans: Dilated cervix
An ectopic with a normal IUP?
Ans: Heteroectopic pregnancy
©, 2025 All rights reserved®
To differentiate an early IUP from a pseudogestational sac, it is helpful to
Exampromax - Stuvia US
visualize?
Ans: Yolk Sac
A yolk sac is considered abnormal when it's diameter exceed? Shape?
Appearance?
Ans: 6mm
Irregulary shaped
Calcified
What drug can be used to treat an early unruptured ectopic pregnancy in
order to preserve fertility?
Ans: Methotrexate
The most common position of a uterus is?
Ans: Anteflexed
In a ruptured extopic pregnancy, which section of the tube is most life
threatening?
Why?
, 3 Exampromax - Stuvia US 2025/2026
Ans: Interstitual
Rupture is accompanied by bleeding from the uterin arteries
The double bleb sign refers to?
Ans: The amnion and yolk sac
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?
Ans: 8 weeks
©, 2025 All rights reserved®
10 weeks
Exampromax - Stuvia US
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.
Ans: Trophoblastic Disease
Most common form of Trophoblastic Disease?
Ans: Complete Hydatiform Mole
A Hydatidiform Mole from trophoblastic neoplasia without the presents of
an embryo?
Ans: Complete
A Hydatidiform Mole from trophoblastic neoplasia with an abnormal
embryo or fetus.
Ans: Partial
Functional ovarian cysts are called?
Ans: Theca Lutein Cysts
Associated with:
Hydatididform Mole
, 4 Exampromax - Stuvia US 2025/2026
Theca Lutein Cysts
Pregnancy induced hypertension
Hyperemesis gravidarum
Large for gestational age
All characteristics of?
Ans: Trophoblastic Disease
Most reliable calculation for the EDC is?
Ans: CRL
©, 2025 All rights reserved®
Because of spinal segmentation, CRL begins to loose accuracy after how
many weeks?
Exampromax - Stuvia US
Ans: 11 weeks
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.
Ans: Vitelline Duct (omphalomesenteric duct)
Thickening of the nuchal soft tissue during the 1st trimester and a strong
corrolation for chromosomal defects?
Ans: Nuchal translucency
A procedure preformed to treat and incompentent cervix. The most
complicated, the suture is almost completely buried beneath the cervical
mucosa?
Ans: Shirodkar Procedure
A procedure preformed to treat and incompentent cervix with a less
invasive outcome using a purse string suture.
Ans: McDonald Procedure
OB/GYN ARDMS Registry Review Questions
with Detailed Verified Answers (100% Correct
Answers) Already Graded A+
The primitive hindbrain can be seen as a cystic structure with in the
embryonic head?
Ans: Rhombencephalon
The maternal side of the developing placenta is referred to as the?
Ans: Decidua Basalis
©, 2025 All rights reserved®
Up to 10 weeks gestational age, the mean diameter of the normal
Exampromax - Stuvia US
gestational sac should grow?
Ans: 1 mm/day
Physicologic hernation of fetal intestines outside the abdomen should not
be seen after what gestational age?
Ans: 12 weeks
CRL measures > 45mm
The base of the umbilical cord should not exceed?
Ans: 7 mm
One should be able to transabdominally image a gestational sac when the
IRC level for hCG is = or >?
Transvaginally?
Ans: 3600 units/liter
2000 units/liter
Patient is 10 weeks by menstrual dates with pregnancy induced
hypertension. You suspect?
, 2 Exampromax - Stuvia US 2025/2026
Ans: Hydatiform Mole
Almost always pathonomonic of a molar pregnancy in the 1st trimester?
Ans: Preeclamsia
Pregnant patient presents with bledding and cramping. What would be
suspect of an inevitable abortion?
Ans: Dilated cervix
An ectopic with a normal IUP?
Ans: Heteroectopic pregnancy
©, 2025 All rights reserved®
To differentiate an early IUP from a pseudogestational sac, it is helpful to
Exampromax - Stuvia US
visualize?
Ans: Yolk Sac
A yolk sac is considered abnormal when it's diameter exceed? Shape?
Appearance?
Ans: 6mm
Irregulary shaped
Calcified
What drug can be used to treat an early unruptured ectopic pregnancy in
order to preserve fertility?
Ans: Methotrexate
The most common position of a uterus is?
Ans: Anteflexed
In a ruptured extopic pregnancy, which section of the tube is most life
threatening?
Why?
, 3 Exampromax - Stuvia US 2025/2026
Ans: Interstitual
Rupture is accompanied by bleeding from the uterin arteries
The double bleb sign refers to?
Ans: The amnion and yolk sac
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?
Ans: 8 weeks
©, 2025 All rights reserved®
10 weeks
Exampromax - Stuvia US
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.
Ans: Trophoblastic Disease
Most common form of Trophoblastic Disease?
Ans: Complete Hydatiform Mole
A Hydatidiform Mole from trophoblastic neoplasia without the presents of
an embryo?
Ans: Complete
A Hydatidiform Mole from trophoblastic neoplasia with an abnormal
embryo or fetus.
Ans: Partial
Functional ovarian cysts are called?
Ans: Theca Lutein Cysts
Associated with:
Hydatididform Mole
, 4 Exampromax - Stuvia US 2025/2026
Theca Lutein Cysts
Pregnancy induced hypertension
Hyperemesis gravidarum
Large for gestational age
All characteristics of?
Ans: Trophoblastic Disease
Most reliable calculation for the EDC is?
Ans: CRL
©, 2025 All rights reserved®
Because of spinal segmentation, CRL begins to loose accuracy after how
many weeks?
Exampromax - Stuvia US
Ans: 11 weeks
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.
Ans: Vitelline Duct (omphalomesenteric duct)
Thickening of the nuchal soft tissue during the 1st trimester and a strong
corrolation for chromosomal defects?
Ans: Nuchal translucency
A procedure preformed to treat and incompentent cervix. The most
complicated, the suture is almost completely buried beneath the cervical
mucosa?
Ans: Shirodkar Procedure
A procedure preformed to treat and incompentent cervix with a less
invasive outcome using a purse string suture.
Ans: McDonald Procedure
