CAS is parang overall ultrasound to check if okay si baby, body parts, bones, bilang ng daliri sa kamay/paa, internal organs, etc. Yung 3D/4D is just to see ung physical appearance ni baby.
I had my 3D ultrasound @24wks, to check ung gender and mukha ni baby.
Then CAS naman @28wks. Halos 30mins lang ako nun. Supposedly 3D din sana kaso ayaw na magpakita ng mukha ni baby 😅
Better daw ang 3D/4D below 30wks, kasi pag masyado na silang malaki, mas siksik na sila sa loob, mas mahirap na sila makita.
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