P476 Sirenomelia (Mermaid Syndrome) – A rare congenital disorder

Riazat, Muhammad Imran; Abujennah, Jamaleddin; Kewlani, Bharti; Sharif, Farhana

doi:10.1136/archdischild-2019-epa.812

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“…Depending on the severity of the condition, the deformity may present as single fused bones where there usually are pairs of two distinct bones or entirely absent bones [ 4 ]. According to the reports, sirenomelia is more common in one of every two monozygotic twins [ 5 ]. Sirenomelia, a fatal congenital disorder affecting the embryonic body's caudal region, is present at birth.…”

Section: Discussionmentioning

confidence: 99%

Sirenomelia or "Mermaid Syndrome" in a Twin Pregnancy: A Case Report

Siddiqui¹,

Anjankar²

2023

Cureus

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Sirenomelia, also known as "mermaid syndrome" or "mermaid baby syndrome," is a very rare congenital disorder. The major anomaly in this syndrome is the fusion of the lower legs, giving it a mermaid-like appearance. This syndrome consists of a range of abnormalities affecting various systems, such as the digestive, genitourinary, and musculoskeletal systems. On the basis of the severity of the syndrome, the fetus may have a single fused bone or entirely absent bones in place of a normal pair of distinct bones. In major cases, mermaid syndrome leads to stillbirths. Its occurrence in monozygotic twins is much greater than in dizygotic twins or in a single fetus. The syndrome is believed to mainly occur in cases of maternal age less than 20 years or more than 40 years, women suffering from maternal diabetes, and prenatal exposure to retinoic acid, cocaine, and water contaminated by landfills.A 22-year-old pregnant female was admitted with a history of amenorrhea for nine months (full-term twin pregnancy) and oligohydramnios for a caesarian section. This was the patient's second pregnancy. A cesarean section was done as instructed by the gynecologist. The patient delivered twin babies. In this twin pregnancy, the first baby was normal and healthy, while the second baby was stillborn and suffered from mermaid syndrome.

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Section: Discussionmentioning

confidence: 99%