Whether you’re having fraternal twins or identical twins, it’s good to find out during pregnancy. Get the facts you need about different types of twins.

family-dynamics~American Academy of Pediatrics (AAP) describes the difference between identical and fraternal twins.

See what fraternal twins look like in the womb at 8 weeks.

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3. (Genetics) designating either or both of a pair of twins of the same or opposite sex that developed from two separate fertilized ova. Compare identical 3

Twins are two offspring produced by the same pregnancy. Twins can be either monozygotic (“identical”), meaning that they develop from one zygote, which splits and forms two embryos, or dizygotic (“fraternal”), meaning that each twin develops from two different eggs and each egg is fertilized by its own sperm cell.

The term twin most notably refers to two individuals (or one of two individuals) who have shared the same uterus (womb) and are usually. …

Have you ever heard an old wives’ tale about what determines whether a will be a man or a teen or what causes twins to be born? In this

Fraternal twin definition, one of a pair of twins, not necessarily resembling each other, or of the same sex, that develop from two separately fertilized ova. See more.

Multiples in pregnancy – twins triplets quads identical and fraternal fetal development information