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Can Cranial Nerve Defects Be Detected During Pregnancy?

Posted on Tue, 28 Jan 2020

Question: can cranial nerve defects be detected during pregnancy?

Answered by Dr. Dr. Erion Spaho (5 hours later)

Brief Answer:
Cranial nerve defects are not easily detected.

Detailed Answer:
Hello and welcome to "Ask a Doctor " service.

I have read your query.

Cranial nerve defects during pregnancy are not easily detected for the unborn child.

Only after the defect is developed it may be visible in imaging studies.

Pregnant women may develop facial nerve and abductees nerve palsy, especially those suffering from diabetes, preeclampsia, etc.

Hope you found the answer helpful.

Let me know if I can assist you further.

Above answer was peer-reviewed by : Dr. Prasad

Follow up: Dr. Dr. Erion Spaho (3 hours later)

when would they usually develop? how far along in the pregnancy?

Answered by Dr. Dr. Erion Spaho (12 hours later)

Brief Answer:
In the second trimester.

Detailed Answer:
Welcome back.

In cases of an unborn, cranial nerve palsies may be detectable by imaging studies in the second trimester.

Rare conditions such as Moebius syndrome may be a result of ischemia of the fetus, and, besides palsy of cranial nerves, there are limb malformations present also.

Hope this helps.

Feel free to ask if you have further questions.

Above answer was peer-reviewed by : Dr. Yogesh D