OB/GYN ARDMS 2026 TEST PAPER QUESTIONS AND
ANSWERS GUARANTEE A+
✔✔Phase 1: The Follicular / Proliferative Phase - ✔✔Day 0-14 of the menstrual cycle.
Main hormone= estrogen
Purpose= to grow endometrial layer of the uterus.
✔✔Ovulation - ✔✔always occurs 14 days before menses: therefore, with an average 28
day cylce, ovulation occurs on day 14. At the end of the proliferative phase.
✔✔Phase 2: The Luteal/Secretory Phase - ✔✔occurs from day 14 - 28 of the cycle.
Progesterone stimulated by LH is teh dominant hormone during this phase to prepare
the corpus luteum and the endometrium for possible fertilized ovum implantation.
✔✔What are the 4 Phases of the Menstrual Cycle? - ✔✔Menstruation
Follicular / Proliferative Phase
Ovulation
Luteal / Secretory Phase
✔✔At what gestational age can you begin to start measuring the BPD?
a. 9 weeks
b. 10 weeks
c. 11 weeks
d. 12 weeks - ✔✔d. 12 weeks
✔✔The outer walls of the blastocyst are covered by
a. mesoderm
b. ectoderm
c. decidua
d. chorionic villi - ✔✔d. chorionic villi
✔✔Which of the following is least likely to be true regarding cystic teratomas?
a. 80% unilateral
b. common in women over 40
c. they are aka dermoid cysts
d. common in younger women - ✔✔b. common in women over 40
✔✔A low lying placenta is defined as _____ from interal os - ✔✔placental edge <2cm
from internal os
✔✔Which of the following is true regarding cystic hygroma?
a. it is a lymphatic malformation
b. can be associated with hydrops
c. commonly seen in the neck
, d. all the above - ✔✔d. all the above.
✔✔In the 1st and 2nd trimester the fetal lung is what echogenicity compared to the
liver? - ✔✔isoechoic to the liver
✔✔Which is not a shunt present in the fetus?
a. foramen ovale
b. ductus venosus
c. ductus arteriosus
d. ligamentum venosum - ✔✔d. ligamentum venosum
✔✔What abnormality is defined as an enlarged tongue? - ✔✔Macroglossia
✔✔Focal intrauterine fluid present in an up to 20% of ectopic pregnancies is
a. double decidual reaction
b. pseudogestational sac
c. yolk sac
d. embryonic sac - ✔✔b. pseudogenstational sac
✔✔The placenta is responsible for all the following except
a. gas exchange
b. nutrient exchange
c. hormone production
d. hematopoiesis - ✔✔d. hematopoiesis - is the production of all the cellular
components of blood and blood plasma. it occurs within the hematopoietic system,
which includes organs and tissues such as the bone marrow, liver and spleen.
✔✔The umbilical cord is made up of
a. 2 arteries 1 vein
b. 2 veins 1 artery
c. 3 arteries 2 veins
d. 3 veins 1 artery - ✔✔a. 2 arteries 1 vein
✔✔The liquid substance within the umbilical cord is - ✔✔Wharton's Jelly
✔✔Which of the following is NOT associated with placental abruption
a. maternal shock
b. fetal distress
c. bloody amniotic fluid
d. painless bright red blood - ✔✔d. painless bright red blood
✔✔A midline abdominal wall defect where abdominal contents herniate in the base of
the umbilical cord is a/an
a. gastrochisis
ANSWERS GUARANTEE A+
✔✔Phase 1: The Follicular / Proliferative Phase - ✔✔Day 0-14 of the menstrual cycle.
Main hormone= estrogen
Purpose= to grow endometrial layer of the uterus.
✔✔Ovulation - ✔✔always occurs 14 days before menses: therefore, with an average 28
day cylce, ovulation occurs on day 14. At the end of the proliferative phase.
✔✔Phase 2: The Luteal/Secretory Phase - ✔✔occurs from day 14 - 28 of the cycle.
Progesterone stimulated by LH is teh dominant hormone during this phase to prepare
the corpus luteum and the endometrium for possible fertilized ovum implantation.
✔✔What are the 4 Phases of the Menstrual Cycle? - ✔✔Menstruation
Follicular / Proliferative Phase
Ovulation
Luteal / Secretory Phase
✔✔At what gestational age can you begin to start measuring the BPD?
a. 9 weeks
b. 10 weeks
c. 11 weeks
d. 12 weeks - ✔✔d. 12 weeks
✔✔The outer walls of the blastocyst are covered by
a. mesoderm
b. ectoderm
c. decidua
d. chorionic villi - ✔✔d. chorionic villi
✔✔Which of the following is least likely to be true regarding cystic teratomas?
a. 80% unilateral
b. common in women over 40
c. they are aka dermoid cysts
d. common in younger women - ✔✔b. common in women over 40
✔✔A low lying placenta is defined as _____ from interal os - ✔✔placental edge <2cm
from internal os
✔✔Which of the following is true regarding cystic hygroma?
a. it is a lymphatic malformation
b. can be associated with hydrops
c. commonly seen in the neck
, d. all the above - ✔✔d. all the above.
✔✔In the 1st and 2nd trimester the fetal lung is what echogenicity compared to the
liver? - ✔✔isoechoic to the liver
✔✔Which is not a shunt present in the fetus?
a. foramen ovale
b. ductus venosus
c. ductus arteriosus
d. ligamentum venosum - ✔✔d. ligamentum venosum
✔✔What abnormality is defined as an enlarged tongue? - ✔✔Macroglossia
✔✔Focal intrauterine fluid present in an up to 20% of ectopic pregnancies is
a. double decidual reaction
b. pseudogestational sac
c. yolk sac
d. embryonic sac - ✔✔b. pseudogenstational sac
✔✔The placenta is responsible for all the following except
a. gas exchange
b. nutrient exchange
c. hormone production
d. hematopoiesis - ✔✔d. hematopoiesis - is the production of all the cellular
components of blood and blood plasma. it occurs within the hematopoietic system,
which includes organs and tissues such as the bone marrow, liver and spleen.
✔✔The umbilical cord is made up of
a. 2 arteries 1 vein
b. 2 veins 1 artery
c. 3 arteries 2 veins
d. 3 veins 1 artery - ✔✔a. 2 arteries 1 vein
✔✔The liquid substance within the umbilical cord is - ✔✔Wharton's Jelly
✔✔Which of the following is NOT associated with placental abruption
a. maternal shock
b. fetal distress
c. bloody amniotic fluid
d. painless bright red blood - ✔✔d. painless bright red blood
✔✔A midline abdominal wall defect where abdominal contents herniate in the base of
the umbilical cord is a/an
a. gastrochisis
