Research, Stats and Info about Multiple Birth
By Pamela Prindle Fierro, About.com Guide to Twins & Multiples
There is much curiosity surrounding multiple birth and it's a focus of interest in literature, the arts, science, psychology and the media. Unearth the facts about twins and multiple and separate the myths and mysteries from the realities.
Twins 101

Understanding the basics of twinning and multiple birth is the the first step to appreciating the special relationship that exsists between twins and multiples.
- Understanding Zygosity
- Unique and Unusual Types of Twins
- Myths About Multiples
- All About Identical Twins
The Odds of Twins
Twins seem to be everywhere these days, but their birth is still a relative rare occurence.
Conjoined Twins

Conjoined twins are a special type of twins that form in the womb with a physical connection. They may share tissue, organs or limbs.
Higher Order Multiples
Supertwins - or higher order multiples - describe sets of multiples in threes, fours, fives or more, including triplets, quadruplets, quintuplets, sextuplets and septuplets.

