One twin, the 'donor' twin, is small and anemic, the other, the 'recipient' twin, is large and polycythemic. The lives of both twins are endangered by this condition.

Nov 21, 2025 · Twin, either of two young who are simultaneously born from one mother. Twinning, common in many animals, is of two biological kinds: the one-egg (monozygotic), or identical, type …

The meaning of TWIN is either of two offspring produced in the same pregnancy. How to use twin in a sentence.

Oct 1, 2025 · Are twins really double the trouble? Keep reading to uncover the truth behind common twin myths and reveal the true twin facts.

Oct 2, 2025 · Fraternal twins (dizygotic) develop from two separate eggs fertilized by two separate sperm. They each have their own placenta and amniotic sac. Identical twins (monozygotic) develop …

5 days ago · Identical twins, also known as monozygotic twins, share the same egg at conception and are always either both boys or both girls. Fraternal twins, also known as dizygotic twins, come from …

From about 1915 to 1980, one out of every 50 babies born in the United States was a twin. That number has since skyrocketed to one out of 30, and there’s no indication it is abating.

Nov 19, 2025 · “Twin” is a slang term of affection used for very close friends. “Twin in Gen Z slang refers to a close friend or someone that you can deeply relate to,” says Faraz.

There are different types of twins, identical and fraternal being the most common. Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are...

Apr 25, 2023 · In a basic twin pregnancy, two embryos go their separate ways and develop into twin babies, whether identical or fraternal. Some unique sets of twins follow a different path.