Definition: Small, fluid-filled midline structure anterior to the thalami.
Plane: Same as BPD.
Clinical Use: Presence confirms normal midline development; absence may indicate holoprosencephaly or agenesis of corpus callosum.
Gestational Age (Weeks) | Normal CSP Width (mm) |
---|---|
18 | 2.0 – 4.0 |
19 | 2.2 – 4.5 |
20 | 2.5 – 5.0 |
21 | 2.7 – 5.5 |
22 | 3.0 – 6.0 |
23 | 3.2 – 6.2 |
24 | 3.5 – 6.5 |
25 | 3.7 – 6.8 |
26 | 4.0 – 7.0 |
27 | 4.2 – 7.2 |
28 | 4.5 – 7.5 |
29 | 4.7 – 7.8 |
30 | 5.0 – 8.0 |
31 | 5.2 – 8.2 |
32 | 5.5 – 8.5 |
33 | 5.7 – 8.8 |
34 | 6.0 – 9.0 |
35 | 6.2 – 9.2 |
36 | 6.5 – 9.5 |
37 | 6.7 – 9.7 |
38 | 7.0 – 10.0 |
39 | 7.0 – 10.0 |
40 | 7.0 – 10.0 |
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यदि आप हिंदी चुनते हैं, तो सभी प्रश्न हिंदी में हल करें।
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