Anencephalia -

: Ideal for seeing how the condition is diagnosed via ultrasound, often identified by the "frog-eye sign". Embryology, Anencephaly - StatPearls - NCBI Bookshelf - NIH

The following articles and resources provide high-quality information ranging from basic facts to technical medical data: anencephalia

: Offers a technical look at symptoms and terminology, such as differentiating between meroanencephaly and holoanencephaly . : Ideal for seeing how the condition is

: A clear, accessible overview of the condition, including estimated prevalence and a description of how neural tube defects develop during pregnancy. : A clinical perspective focusing on the biological

: A clinical perspective focusing on the biological development and management of the condition for healthcare professionals.

Anencephaly is a severe, fatal neural tube defect (NTD) where a baby is born without parts of the brain and skull. This condition occurs during the third or fourth week of pregnancy when the upper part of the neural tube fails to close. While there is no known cure, health organizations emphasize that sufficient folic acid intake before and during early pregnancy can significantly reduce the risk.