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Glossary of Terms: Multiple Birth

This glossary provides explanations of terms related to twins and multiple birth.
Parenting Multiples Glossary
What's a nonuplet? What does it mean if my twins are monochorionic? Consult this glossary for definitions and explanations of terms commonly associated with multiple pregnancy and birth.
Idioglossia - Definition of Idioglossia
Definition of the term idioglossia, a term used to describe the phenomenon of twin talk.
Semi-Identical Twins
A new type of twin type called semi-identical twins has been identified.
Superfetation
Definition of superfecundation, term used to describe twins conceived at different times.
Superfecundation
Definition of superfecundation, term used to describe twins with different fathers.
Trizygotic
Trizygotic triplets form from three distinct egg/sperm combinations.

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