Page 1 of 160
NBME OB / GYN Shelf Exam; All Correct & Verified
(Latest 2025)
Answer to the Previous Question .....ANSWER.....-B
-we don't know which aspect the problem is with ...passenger,
pelvis or power.....she is in stage 1 active phase....and no
prolongation or arrest is evident...just do US and wait
-C,d,e not indicated....u don't do x ray...so only option left is b
-The baby is not very big, her cervix is dilated to 6cm which
means she is almost in active phase, you should be able to feel
the head. This could be a breech, do an U/S
,Page 2 of 160
-Unless you can feel a head on sterile vaginal exam, all patients
should be scanned for vertex positioning before allowing them to
continue laboring
Answer to the Previous Question .....ANSWER.....-A
-cervical stenosis. secondary dysmenorrhea or amenorrhea after
cervical procedures strongly suggests cervical stenosis has
developed
Answer to the Previous Question .....ANSWER.....-D
-D - cone biopsy (diagnostic excisional procedure)
-- this pt's entire SCJ cannot be visualized meaning inadequate
colposcopy result
,Page 3 of 160
-- In such case, diagnostic excisional procedure (LEEP or
conization) shud be done
-- Then cotest --> then colposcopy if abn cotest
Xif the question gives pt with adequate colposcopy, you can
choose ablation or excision (LEEP, conization, cryo or laser) and
even if so, excisional procedures like LEEP are preferred
Answer to the Previous Question .....ANSWER.....-H
-Wt and ht is normal. Amenorrhea is less than 6 mths
-Yes, H confirmed online. In those UWorld questions, the patients
were older, previously had regular menses, and trained a lot
(gymnastics champion, collegiate athlete). This girl had menarche
, Page 4 of 160
only one year ago, has had irregular cycles since menarche, and
does not do significant exercise. In the first few years after
menarche, the hypothalamic-pituitary-ovarian axis is not well
developed, so cycles are irregular, but it's normal development.
Image is the Question .....ANSWER.....
Answer to the Previous Question .....ANSWER.....-D
-he has moderate lower abdominal pain (still menstruating just
blood is blocked so can't flow out), vaginal canal can't be
visualized (hymen is blocking it), and rectal examination shows an
anterior tender, central mass which all indicate imperforate
hymen
-AIS (46 X,Y). MRKH syndrome (complete mullerian agenesis, 46
X,X). AIS (testes present, defective T receptor) and MRKH
NBME OB / GYN Shelf Exam; All Correct & Verified
(Latest 2025)
Answer to the Previous Question .....ANSWER.....-B
-we don't know which aspect the problem is with ...passenger,
pelvis or power.....she is in stage 1 active phase....and no
prolongation or arrest is evident...just do US and wait
-C,d,e not indicated....u don't do x ray...so only option left is b
-The baby is not very big, her cervix is dilated to 6cm which
means she is almost in active phase, you should be able to feel
the head. This could be a breech, do an U/S
,Page 2 of 160
-Unless you can feel a head on sterile vaginal exam, all patients
should be scanned for vertex positioning before allowing them to
continue laboring
Answer to the Previous Question .....ANSWER.....-A
-cervical stenosis. secondary dysmenorrhea or amenorrhea after
cervical procedures strongly suggests cervical stenosis has
developed
Answer to the Previous Question .....ANSWER.....-D
-D - cone biopsy (diagnostic excisional procedure)
-- this pt's entire SCJ cannot be visualized meaning inadequate
colposcopy result
,Page 3 of 160
-- In such case, diagnostic excisional procedure (LEEP or
conization) shud be done
-- Then cotest --> then colposcopy if abn cotest
Xif the question gives pt with adequate colposcopy, you can
choose ablation or excision (LEEP, conization, cryo or laser) and
even if so, excisional procedures like LEEP are preferred
Answer to the Previous Question .....ANSWER.....-H
-Wt and ht is normal. Amenorrhea is less than 6 mths
-Yes, H confirmed online. In those UWorld questions, the patients
were older, previously had regular menses, and trained a lot
(gymnastics champion, collegiate athlete). This girl had menarche
, Page 4 of 160
only one year ago, has had irregular cycles since menarche, and
does not do significant exercise. In the first few years after
menarche, the hypothalamic-pituitary-ovarian axis is not well
developed, so cycles are irregular, but it's normal development.
Image is the Question .....ANSWER.....
Answer to the Previous Question .....ANSWER.....-D
-he has moderate lower abdominal pain (still menstruating just
blood is blocked so can't flow out), vaginal canal can't be
visualized (hymen is blocking it), and rectal examination shows an
anterior tender, central mass which all indicate imperforate
hymen
-AIS (46 X,Y). MRKH syndrome (complete mullerian agenesis, 46
X,X). AIS (testes present, defective T receptor) and MRKH
