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  2. Superfetation - Wikipedia

    en.wikipedia.org/wiki/Superfetation

    Superfetation (also spelled superfoetation – see fetus) is the simultaneous occurrence of more than one stage of developing offspring in the same animal. [1] [2] [3]In mammals, it manifests as the formation of an embryo from a subsequent menstrual cycle, while another embryo or fetus is already present in the uterus.

  3. Superfecundation - Wikipedia

    en.wikipedia.org/wiki/Superfecundation

    In 1982, twins who were born with two different skin colors were discovered to be conceived as a result of heteropaternal superfecundation. [7] [5] In 1995, a young woman gave birth to diamniotic monochorionic twins, who were originally assumed to be monozygotic twins until a paternity suit led to a DNA test. This led to the discovery that the ...

  4. Chihuahua: Breed Profile - AOL

    www.aol.com/chihuahua-breed-profile-080000026.html

    The Chihuahua breed is a popular choice if you're looking for a toy-size breed. While they might be small in size, they are big in personality and aren't afraid to let you know just how they feel.

  5. Monochorionic twins - Wikipedia

    en.wikipedia.org/wiki/Monochorionic_twins

    The presence of a "T-sign" at the inter-twin membrane-placental junction is indicative of monochorionic-diamniotic twins (that is, the junction between the inter-twin membrane and the external rim forms a right angle), whereas dichorionic twins present with a "lambda (λ) sign" (that is, the chorion forms a wedge-shaped protrusion into the ...

  6. Baby girl born 'pregnant' with twins - AOL

    www.aol.com/news/2015-02-10-baby-girl-born...

    Occasionally a human birth is anything but ordinary. A recent report highlighted a rare case from 2010, in which a baby girl born in Hong Kong was found to be carrying twin fetuses. The study ...

  7. 6 Dog Breeds that Look Completely Different as Puppies - AOL

    www.aol.com/6-dog-breeds-look-completely...

    There are some adult dog breeds that look completely different as puppies. From the Bergamasco to the Tibetian Terrier, these pups have appearances that change significantly as they grow up. The ...

  8. Talk:Conjoined twins - Wikipedia

    en.wikipedia.org/wiki/Talk:Conjoined_twins

    Epub 2004 Jul 27. [PMID 15278382]: "Conjoined twinning occurs by the incomplete splitting of the embryonic axis and, with the exception of parasitic conjoined twins, all are symmetrical and "the same parts are always united to the same parts". Fusion of monozygotic twins is no longer believed to be the basis of conjoined twinning."

  9. Baby Animals 101: Fun Names and Surprising Facts - AOL

    www.aol.com/baby-animals-101-fun-names-060600027...

    While most people know that a baby dog is called a puppy, many may not know what a baby elephant is called. In this fun infographic, explore the world of baby animals. Find out what they’re ...