OB/GYN: NBME Question and answers
100% correct 2025/2026
Image is the Question - correct answer ✔
Answer to the Previous Question - correct 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
-Unless you can feel a head on sterile vaginal exam, all patients should be scanned for vertex positioning
before allowing them to continue laboring
Image is the Question - correct answer ✔
Answer to the Previous Question - correct answer ✔-A
-cervical stenosis. secondary dysmenorrhea or amenorrhea after cervical procedures strongly suggests
cervical stenosis has developed
Image is the Question - correct answer ✔
,Answer to the Previous Question - correct answer ✔-D
-D - cone biopsy (diagnostic excisional procedure)
-- this pt's entire SCJ cannot be visualized meaning inadequate colposcopy result
-- 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
Image is the Question - correct answer ✔
Answer to the Previous Question - correct 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 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 - correct answer ✔
,Answer to the Previous Question - correct 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 syndrome both have normal breast development, either absent/rudimentary
uterus and upper vagina. Pubic/axillary hair is absent in AIS, but present in MRKH syndrome.
Image is the Question - correct answer ✔
Answer to the Previous Question - correct answer ✔-D
-Bartholin cysts are painLESS inflammation of the DUCT.
-Bartholin abscesses are painFUL infections of the GLAND.
-Bartholinitis (cellulitis) is a painful complication of Bartholin cysts, and more commonly, Bartholin
abscesses.
-Necrotizing fasciitis is a severe complication of Bartholinitis. (Fournier Gangrene aka Nec fascitis of the
perineum, associated with diabetics)
Image is the Question - correct answer ✔
Answer to the Previous Question - correct answer ✔-B
, -aub workup: 1. rule out pregnancy 2. look for anatomical causes by examination,if u get any do workup
3. coagulopathy if suspected 4. anovulation which is most common cause of aub, diagnose it by
progesterone challange test by cyclic progesterone
-"For women with AUB-O (Ovulatory Dysfunction), estrogen-progestin contraceptives, oral progestin
therapy, or the LNg52/5 are first-line treatment options, as these approaches reduce bleeding and
decrease the risk of endometrial hyperplasia or cancer"
Image is the Question - correct answer ✔
Answer to the Previous Question - correct answer ✔-K
-Parvovirus B19 causing hydrops
-she is primigravid, plus she works in a preschool--> increase likelihood of obtaining infection from kids--
> hinting parvovirus B19 causing the fetal hydrops.
Image is the Question - correct answer ✔
Answer to the Previous Question - correct answer ✔-D
-Even though meth seems to increase HTN more than cocaine in pregnancy, cocaine still proves to carry
a higher risk of abruptio. The risk of cocaine abuse and abruptio is up around 20% and meth the risk
goes down to 10%. A little paradoxical but it seems that all of the Q banks want us to differentiate
smoking vs. cocaine rather than meth vs. cocaine. Had a Q on this, so hope it helps!
Image is the Question - correct answer ✔
100% correct 2025/2026
Image is the Question - correct answer ✔
Answer to the Previous Question - correct 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
-Unless you can feel a head on sterile vaginal exam, all patients should be scanned for vertex positioning
before allowing them to continue laboring
Image is the Question - correct answer ✔
Answer to the Previous Question - correct answer ✔-A
-cervical stenosis. secondary dysmenorrhea or amenorrhea after cervical procedures strongly suggests
cervical stenosis has developed
Image is the Question - correct answer ✔
,Answer to the Previous Question - correct answer ✔-D
-D - cone biopsy (diagnostic excisional procedure)
-- this pt's entire SCJ cannot be visualized meaning inadequate colposcopy result
-- 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
Image is the Question - correct answer ✔
Answer to the Previous Question - correct 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 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 - correct answer ✔
,Answer to the Previous Question - correct 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 syndrome both have normal breast development, either absent/rudimentary
uterus and upper vagina. Pubic/axillary hair is absent in AIS, but present in MRKH syndrome.
Image is the Question - correct answer ✔
Answer to the Previous Question - correct answer ✔-D
-Bartholin cysts are painLESS inflammation of the DUCT.
-Bartholin abscesses are painFUL infections of the GLAND.
-Bartholinitis (cellulitis) is a painful complication of Bartholin cysts, and more commonly, Bartholin
abscesses.
-Necrotizing fasciitis is a severe complication of Bartholinitis. (Fournier Gangrene aka Nec fascitis of the
perineum, associated with diabetics)
Image is the Question - correct answer ✔
Answer to the Previous Question - correct answer ✔-B
, -aub workup: 1. rule out pregnancy 2. look for anatomical causes by examination,if u get any do workup
3. coagulopathy if suspected 4. anovulation which is most common cause of aub, diagnose it by
progesterone challange test by cyclic progesterone
-"For women with AUB-O (Ovulatory Dysfunction), estrogen-progestin contraceptives, oral progestin
therapy, or the LNg52/5 are first-line treatment options, as these approaches reduce bleeding and
decrease the risk of endometrial hyperplasia or cancer"
Image is the Question - correct answer ✔
Answer to the Previous Question - correct answer ✔-K
-Parvovirus B19 causing hydrops
-she is primigravid, plus she works in a preschool--> increase likelihood of obtaining infection from kids--
> hinting parvovirus B19 causing the fetal hydrops.
Image is the Question - correct answer ✔
Answer to the Previous Question - correct answer ✔-D
-Even though meth seems to increase HTN more than cocaine in pregnancy, cocaine still proves to carry
a higher risk of abruptio. The risk of cocaine abuse and abruptio is up around 20% and meth the risk
goes down to 10%. A little paradoxical but it seems that all of the Q banks want us to differentiate
smoking vs. cocaine rather than meth vs. cocaine. Had a Q on this, so hope it helps!
Image is the Question - correct answer ✔
