Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Banner that says: From Monsters to Modern Medical Miracles, Selected moments in the history of conjoined twins from medieval to modern times.
Banner containing six icons that link to the individual pages of the website.  From left to right: 1. Image of three embryos, that links to the Embryology page.  2. Image of conjoined twins from a 15th century book, that links to the Age of Superstition page. 3. Image of Millie-Christine McCoy, that links to the Marvels on Exhibit page. 4. Image of Clara and Alta Rodriguez, that links to the Separation Surgeries page.  5. Image of a fine engraving of two sets of conjoined twins, that links to the Gallery of Images page.  6. Image of a title page, that links to the bibliography page.   Below the banner, to the left of the links to each page is a large eighteenth century woodcut illustration of female twins joined at the back. Embryology and Classification of Conjoined Twins title="Embryology and Classification of Conjoined Twins" /> Age of Superstition (15th-18th centuries) title="Age of Superstition (15th-18th centuries)" /> Marvels on Exhibit (19th century) Separation Surgeries (20th century) Gallery of Images Bibliography Embryology and Classification of Conjoined Twins Age of Superstition Marvels on Exhibit Separation Surgeries Gallery of Images Bibliography Pygopagus twins from Pare, Ambroise.  Deux livres de chirurgie, 1573.

Credits

Last Reviewed: March 11, 2024