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ARDMS OBGYN REGISTRY REVIEW TEST
QUESTIONS GUIDE 2025- 2026
ARDMS OBGYN REGISTRY REVIEW TEST QUESTIONS GUIDE 2025-2026 what is secreted by developing follicles? — GORRECTNGIEN - ostrogen what is scereted by the corpus luteum? — G@RREGHEINSIWERI progesterone what slimulates the growth and development of ovarian follicles? — CORRECT ANSWER —Pollicic stimulating hormone Name the cells within the follicles that produce estrogen, which stimulates endometrial growth, — GORREOTIANG WE — theca cells Stimulates maturation of follicle and is responsible for Graafian follicular rupture causing ovulation, — GORRECHANGWER—lutcinizing hormone (1H) stimulated by FST, dormant egg cells are surrounded by [luid—filled follicle which expands rapidly and moves to the ovarian surface — GORRECTMNGWEN - follicular phase (days 1-14) fetuses wilh Turner Syndrome may also have an association with whal — CORRECT ANSWER —cystic hygroma what might you expect to see with spina bifida? — GORRECTANGWERI—flattencd cerebellum how many weeks can a singleton gestational age chart can be used for twins before their growth rates slow and a multiple gestation chart should be used? — CORRECT ANSWER — 20 weeks Cerebellar measurements can be used to estimate gestational age but lose accuracy ctr ~ CORRECTS 20 «cts the fetal kidne begin to contribute significantly to the amniotic fluid by — CORRECT ANSWER —7 6 weeks the risk of complications is highest for what felal testing - CORRECT ANSWER - PUBS (Percutaneous umbilical blood sampling) For best results, the optimal gestation age for Karyotyping by amniocentesi MSAFP results are reported in what units of measuments? — CORRECT ANSWER — multiples of median (MoM) what does DRIP stand for — GORRBSTANS Wi — demise. renal anomalies, IUGR, PROM Acetyl cholinesterase (ACHE) is most specific for what? — CORRECT ANSWER — spina bifida A disorder that is caused by the presence of only one defective gene is called — CORRESTANG WE — autosomal dominant define quickening — CORRECTANGWEN- sensation of fetal movement Organogenisis is completed by — CORRECT ANSWER -8 menstrual weeks ysiologic herniation of fetal abdomen should not be seen after what gestational age ~ SORREONISNSIERI12 weeks whal slructures can be seen routinely al the level of the bladder using a coronal view of the fetal pelvis — CORRECTANGIEN iliac bones Corpus luteum cysts usually resolve in a pregnancy by — CORRECT ANSWER —1 6 weeks RVOT drains to the — CORRECTING WE — pulmonary artery LYOT drains to the — GORRECTINGIER— Ascending aorta A 24 yr old patient at day 14 of her menstrual cycle should show what endomctrial phase — —periovulatory phase F the normal cessation of menses is called — GORREGTENSWER— menopause Which drug may be used to treat an carly unruptured ectopic pregnancy in order to preserve fertility — CORRECTANSWEN— methotrexate Tn embryology, what ducts fuse to form the uterus, vagina and fallopian tubes — CORRECTING —Mullorian ducts Endometrial Proliferation is stimulated by — CORRECT ANSWER | estrogen pods — CORRECT ANSWER A yolk sac is considered abnormal when it’s diameter cx —6mm Most common cat of postmenopausal bleeding with hormone replacement therapy (HRT; ~ CORRECT ANSWER estrogen administration Most common mullerian duct anomaly — CORRECTING — bicomuate uterus Most common effect of DES — CORRECT ANSWER —T shaped uterine cavity Most common tumor of the female pelvis — CORRECTANGWER—Iciomyoma most common location of libroid lo cause symptoms — CORRECT ANSWER submucosal most common GYN malignancy — CORRECTANG WE —condometrial carcinoma most common uterine position — CORRECTING — antes erted most common site of fertilization — CORRECTING - ampullary portion of the fallopian tube most common form of persistent trophoblastic discase — CORRECT ANSWER — invasive Mole (aka chorioadenoma destruens) most common pcrinatal intestinal obstruction — CORRECTANGWERN- obstruction due to duodenal atresia most common posinaltal defect — CORRECT ANSWER -¥SD (ventricular septal defect) Most common fetal intra thoracic abnormality — CORRECTANGWER- pleural effusion or hydrathorax most common developmental abnormality of the diaphragm — CORRECT ANSWER — congenital diaphragmatic hernia most common type of congenital diaphragmatic hernia — CORRECT ANSWER - bochdalek hernia — 80% left sided Most common neural tube defeet — GORRECTANGSWEN - spina bifida and anencephaly most common location of an encephalocele — CORRECT ANGWEN - occipital most common form of holoprsenccphaply — GORRECTNGIWER— A lobar most common association with caudal regression syndrome — CORRECT ANSWER — diabetes mellitus ‘ial abnormality — GORREGMANGWER—facial cleft most common congenital fa ~ GORRESHANGIER-ocercopclvic most common cause of fetal hydronephrosi junction UPJ obstruction most common Icthal dysplasia — GORREGMANSIERI—thanatophoric dysplasia most common form of non lethal genetic skeletal dysplasia — CORRECT ANSWER — achondroplasia define VACTERI. — GORREGMAINGWERI—vertcbral anomalies, Anal atresia, cardiac defects, renal anomalies, limb anomalics Physiological herniation of fetal intestine oulside the felal abdomen should not be seen after what gestational age — CORRECT ANSWER — 12 weeks Normally, nuchal translucency docs not exceed — CORRECT ANS WE — 3mm Tn ruling out hydrocephalus, where would one first begin lo see enlargement — CORRECTANG WE — lateral ventricular atria when the normal fetal spine is images transversely, the image demonstrates — CORRECT ANSWER —3 ossifaction centers. 2 posterior and 1 anterior, with the 2 posterior centers pointing towards cach other A placenta previa can be ruled out if the placenta edge is at least this distance from the internal cervical os — CORRECT ANSWER | 2em One can rule out placental acercta by observing — CORRECT ANSWER — Retroplacental space Applying color doppler Lo the transverse image through the fetal bladder will help - CORRECT ANSWER ~—2 umbilical arteries verify Fetal lung maturity is best determined by — CORRESTANG WE — Amniocentesis One can calculate a patients clinical due date by adding 9 months plus 7 days to the ording to — CORRECT first day of the last menstrual cycle. this calculation is done ¢ ANSWER —Necgcle's rule describe a letal nonstress Lest — CORRECT ANSWER —i1 calculates fetal heart rate according to fetal activity, Tf a patients AFP level is low, one should cheek for — CORRECTANGWEN- trisomy 21 A skull that is shaped like a clover Icaf is most likcly to be associated with — CORRESTANG Wa — thanatophoric dwarfism You discover a rounded, fluid [led midline structure wilhin the letal brain. when color doppler is employed. the structure shows color. the most likely diagnosis would be — CORRECTANG WEN vein of galen aneurysm Tf a patients menstrual dates are unknown, which ratio is most sensitive for detecting asymmetrical intrauterine growth restriction — GORREGTENSWER- femur length and abdomen circumference Cystic hygroma is associated with which syndrome — CORRECTANGWE— Turners syndrome The term puerperium refers to which period? — CORRECTANGWER- After delivery Which drug is given to the RH- mother to protect against alloimmunization — A molar that is considered invasive but docs not metastasize is called — CORRECT ANSWER —Chorioadcnoma destruens A McDonald's procedure is performed lo: — CORRECTING Wi — treat an incompetent cervix The postpartum period lasts — CORRECT ANSWER —5—§ weeks The most common cause of acule postpartum hemorrhage i —Uterine Atony Twin reversed arterial perfusion (TRAP) results in — GORREGTMNGIWEN- Acardiac twin What might you expect to see with spina bifida? — GORRECTNGWEN - flattened cerebellum describe micrognathia — GORRBGRENSWER!— moderate posterior position of the mandible At what geslalional age is nuchal fold thickness usually measured? — CORRECT ANSWER 15 to 21 weeks Transabdominal ultrasound reveals a soft tissue mass protruding from the anterior wall of the fetus just inferior to the cord insertion. The diagnostic possibilities include: - CORRECTANGIERN- bladder exstrophy and cloacal exstrophy A lemon shaped head resulting from flattening of the frontal bone is one of the cranial findings in What? — GORREGMANSWIR— spina bifida A majority of conjoined twins are attached At What — CORRECT ANSWER ~The chest and abdomen Dangling or drooping choroid plexus is associated with — CORRECT ANSWER - Hydrocephalus Sonographic visualization of a cyst fluid filled collection adjacent and posterior to the hearl most likely represents: — CORRTOTANGW Ee — Congenital diaphragmatic hernia The congenital absence of the kidneys bilaterally and severe oligohydramnios suggest: - CORRECT ANSWER | Classic Potter's Syndrome What might you expect with spina bifida - CORRECTANGWEN — flattened cerebellum One can rule oul placental accreta by observing - CORRECT ANSWER - Retroplacental space A heart rate below 75 beats per minute in a 6 week embryo is referred to as — impending demise The lavator ani muscles are seen transverse, at the same level as the — CORRECT ANSWER) -vezina The ovaries of a patient who has had a bilateral salpingo—oophorectomy will appear — SGRABGENSWER —onvisvalized The endometrial echo would appear hypoechoic — CORRECTANG WE — During the periovulatory stage human choriogonadotropin is produced by the — CORRECTANGWER- placenta Tn the female, circulating testosterone is derived mostly from — CORRECT ANSWER ovary and adrenal gland The mast common cause of postmenopar al blecding is ~ SORREGTANSW ER! - benign hyperplasia 
