Kali Jo Scott unexpectedly ended one year and began another with her twins’ births. The first twin, Annie Jo, a girl, arrived at 11:55 pm on December 31st. Only minutes later, at 12:01 am on ...

Calling them Irish twins is just an informal way of classifying siblings that are born close together. Twins are two children ...

Boy-girl twins are always fraternal. A boy-girl pair may be identical with a rare genetic mutation, but this brother and sister are like regular siblings born together. Can fraternal twins look ...

"So they, because they are genetic brothers and they were born less than 9 or 10 months ... the fun raising our astonishing quaternary twin sons together!" They also posted about their recent ...

The twin study project at the University of Helsinki began in 1974 with the Older Finnish Twin Cohort study in order to investigate genetic and environmental determinants of common, complex diseases ...