More types of twins exist than previously thought. Beyond identical and fraternal, there's a rare third type. Twin pregnancies have unique risks and outlooks.

Identical twins don’t always look alike, and multiples can be identical, fraternal — or both. Here’s everything you need to know about types of multiples.

From identical to fraternal and beyond. Medically reviewed by Rachel Gurevich, RNMedically reviewed by Rachel Gurevich, RN One of the first things pregnant people wonder is whether or not they'll ...

Semi-identical twins. While extremely rare, ... Different Types of Atypical Twins. Here’s a closer look at different types of atypical twinning and what experts know so far.

Conjoined twins Marieme and Ndeye Ndiaye have wildly different personalities, like many other identical twins. Researchers think their differences may be the very reason they exist as twins.

The type of work someone does — and where they live — matters tremendously for long-term health. ... Stories of identical twins who walk different health paths often strike an emotional chord.

Identical twins develop different fingerprints the same way the rest of us develop different fingerprints on each finger. But there have been reports of twins with similar fingerprints. It’s a ...

Sam and John Fetters are identical twins with autism. But Sam is in college, while John still struggles to form sentences. Their experience may shed light on the disorder's mix of nature and nurture.

And physically we had completely different types.” Venessa was working as a personal trainer when a client told her about a pair of identical twin brothers named Lucas and Jacob. Like Venessa ...