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Insight Horizon Media

What causes birth of abnormal babies?

Author

John Castro

Published Mar 08, 2026

What causes birth of abnormal babies?

A birth defect is something visibly abnormal, internally abnormal, or chemically abnormal about your newborn baby’s body. The defect might be caused by genetics, infection, radiation, or drug exposure, or there might be no known reason.

What are 7 birth defects examples?

  • Anophthalmia / Microphthalmia.
  • Anotia/Microtia.
  • Cleft Lip / Cleft Palate.
  • Congenital Heart Defects. Atrial Septal Defect. Atrioventricular Septal Defect. Coarctation of the Aorta. D-Transposition of the Great Arteries. Hypoplastic Left Heart Syndrome.
  • Craniosynostosis.
  • Diaphragmatic Hernia.
  • Down Syndrome.
  • Esophageal Atresia.

What is the weirdest birth defect?

10 unusual genetic disorders in humans you won’t believe are real

  • Proteus Syndrome.
  • Polymelia.
  • Neurofibromatosis.
  • Diprosopus.
  • Anencephaly.
  • Feet facing backwards.
  • Harlequin ichthyosis.
  • Cyclopia. This rare disorder is generally characterized by the failure of the embryo to properly divide the tracks of the eye into two hollows.

What is the most common deformity?

Polydactyly is the most common congenital hand deformity. It affects boys and girls equally.

What is the rarest kind of birth?

An en caul birth, also known as a “mermaid birth” or “veiled birth”, is when the baby comes out still inside or partially wrapped in the amniotic sac. This happens in only 1 in 80,000 births, making it extremely rare. It might look like your newborn is completely gift-wrapped in a soft bubble.

What does a purple butterfly on a baby’s crib mean?

That is when the Surrey, England–based estate agent came up with the idea to make purple butterfly stickers for NICUs to help identify when a baby has survived the death of one or more multiple-birth siblings. This represents a baby that was part of a multiple pregnancy but sadly all of the babies did not survive.”