Question
What is the lowest possibility of perinatal transmission?
| A. |
Hepatitis A |
| B. |
HSV |
| C. |
Rubella |
| D. |
CMV |
Show Answer
|
Correct Answer » A Explanation |
 |
Hepatitis A
- Perinatal transmission is very rare.
- Hepatitis A is mainly transmitted by:
- Feco-oral route
- Vertical transmission from mother to child occurs only rarely.
Hence, it has the lowest possibility of perinatal transmission among the given options.
Reasons to Rule Out Other Options
B. HSV (Herpes simplex virus)
- Significant perinatal transmission risk
- Usually transmitted during vaginal delivery through infected genital secretions
- Can cause severe neonatal herpes
C. Rubella
- Readily transmitted transplacentally
- Causes congenital rubella syndrome
- High fetal transmission especially in first trimester
D. CMV (Cytomegalovirus)
- Most common congenital viral infection
- Frequently transmitted transplacentally
- Can cause:
- Sensorineural deafness
- Periventricular calcification
- Chorioretinitis
