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Updated: May 7, 2026

Murine Fetal Echocardiography
Published on: February 15, 2013
A Devastating Diagnosis: Anencephaly With Unexpected Fetal Heartbeat
Neil A Nunes1, Nishchay W Tekulwar2, Ranjit Prasad1
1Department of Radio-Diagnosis, Sree Balaji Medical College and Hospital, Chennai, IND.
Insights
This case report details a rare 18-week diagnosis of anencephaly, a severe neural tube defect. Later detection of this birth defect offers valuable insights into its developmental variations and prenatal care.
Area of Science:
- Reproductive Medicine
- Prenatal Diagnosis
- Developmental Biology
Background:
- Anencephaly is a severe congenital anomaly characterized by the absence of a major portion of the brain, skull, and scalp.
- Typically, anencephaly is diagnosed during the first trimester of pregnancy through routine screening.
- The condition results from the failure of the neural tube to close properly during early embryonic development.
Abstract:
This case report describes a severe birth defect called anencephaly in a fetus at 18 weeks of pregnancy. Anencephaly occurs when the upper part of the baby's brain and skull do not form correctly. This condition is usually detected earlier in pregnancy, often in the first three months. However, this case was discovered at 18 weeks, highlighting the need for careful monitoring throughout pregnancy. The unique aspect of this case is that most pregnancies with anencephaly do not progress this far. This later diagnosis provides important information about the different ways the condition can develop. By studying cases like this, healthcare providers can improve prenatal care and potentially detect such defects earlier, even in the later stages of pregnancy. Overall, this report emphasizes the importance of continuous monitoring during pregnancy and offers insights that could lead to better diagnosis, care, and support for families facing similar situations.
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