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Page last reviewed: 11 October 2022. Next review due: 11 October 2025. Find out what causes twins, how to find out if yours are identical, and where to go for support if you're having twins or more. Plus facts and myths about twins.
Twins are two offspring produced by the same pregnancy. [1] Twins can be either monozygotic ('identical'), meaning that they develop from one zygote, which splits and forms two embryos, or dizygotic ('non-identical' or 'fraternal'), meaning that each twin develops from a separate egg and each egg is fertilized by its own sperm cell. [2]
Twins: Directed by Ivan Reitman. With Arnold Schwarzenegger, Danny DeVito, Kelly Preston, Chloe Webb. A physically perfect but innocent man goes in search of his long-lost twin brother, who turns out to be a short, womanizing, small-time crook.
Supporting you through every milestone of your journey with twins, triplets or more. From being pregnant with twins, triplets or quads through to parenting twins, triplets or quads, we are here for you.
Apr 25, 2023 · Most twins are fraternal or identical, but a third type, polar body twins, might exist too. Some other subtypes exist, but these are extremely rare. Many occur under unusual circumstances.
More twins are being born than ever before but the world may now have reached peak twin, researchers say. About 1.6 million twins are born each year worldwide, with one in every 42 children...
Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are of the same sex and share the same genes.
