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.

6 days ago · 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, …

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

TWIN meaning: 1. either of two children born to the same mother on the same occasion: 2. one of two very similar…. Learn more.

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...

Mar 15, 2023 · We talked with Ob/Gyn Julian Peskin, MD (who is a twin himself), about common types of twins, rare types of twins and everything else you’ve been wondering about twinning.

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.

The creator of Twiniversity delivers an essential update to her must-have manual to having twins, now with expanded info on twin pregnancy and tandem breastfeeding, and advice on the best …

Dec 13, 2025 · 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 …

Jul 8, 2024 · More than 70% of twin pregnancies are fraternal twins, with the majority of other twins being identical. Other types of twins—like conjoined, parasitic, and polar body twins—are …