2025 | AMCB CNM Board Review, High-Yield
Practice Questions & Detailed Rationales”
“Prepare for the AMCB Certified Nurse Midwife (CNM) Exam with this complete 2025
practice exam. Includes high-yield CNM board review topics, detailed rationales for each
question, and proven test-taking strategies to help you pass the CNM certification exam on
your first attempt.”
• Certified Nurse Midwife practice exam
• CNM practice test 2025
• AMCB CNM exam prep
• CNM board review questions
Which organism most commonly causes postpartum endometritis?
A. Chlamydia trachomatis
B. Candida albicans
C. Polymicrobial anaerobes
D. E. coli
Rationale: Postpartum endometritis typically results from
polymicrobial organisms from the genital tract.
The most sensitive indicator of fetal well-being during labor is:
,A. Maternal vital signs
B. Uterine contractions
C. Fetal heart rate variability
D. Amniotic fluid volume
Rationale: Moderate variability reflects an intact fetal autonomic
nervous system and adequate oxygenation.
Which hormone is primarily responsible for maintaining the
endometrial lining in early pregnancy?
A. Estrogen
B. Follicle-stimulating hormone (FSH)
C. Progesterone
D. Prostaglandins
Rationale: Progesterone stabilizes and maintains the endometrial
lining to support early pregnancy.
2. A fundal height measuring 28 cm is expected at approximately
what gestational age?
A. 20 weeks
B. 28 weeks
C. 34 weeks
D. 38 weeks
Rationale: Fundal height in centimeters roughly corresponds to
gestational age between 20–36 weeks.
5. Which pelvic type is most favorable for vaginal birth?
A. Android
B. Platypelloid
, C. Gynecoid
D. Anthropoid
Rationale: Gynecoid pelvis provides optimal diameters for descent
and rotation.
6. A patient at 9 weeks gestation presents with unilateral pelvic
pain and spotting. The most important initial diagnostic test is:
A. CBC
B. Transvaginal ultrasound
C. Progesterone level
D. CT scan
Rationale: Ultrasound is essential to evaluate for possible ectopic
pregnancy.
7. Which fetal position is most optimal for birth?
A. Occiput posterior
B. Left occiput anterior
C. Frank breech
D. Transverse
Rationale: LOA aligns the fetal head with maternal pelvis for easiest
passage.
8. The recommended daily folic acid intake for low-risk pregnant
individuals is:
A. 200 mcg
B. 400 mg
C. 400–800 mcg
D. 1,000 mg
Rationale: Folic acid 400–800 mcg prevents neural tube defects.