The family from Glasgow, U.K. has two 14-year-old sons, two 12-year-old sons and now they have welcomed two little girls into their lives, according to the Telegraph. That's three sets of twins for parents Karen and Colin, and while the kids don't all look identical, there's no doubt this family grows in twos.
The odds of having three separate sets of twins is about 500,000 to one, according to the story.
Another woman from Berkshire, U.K. beat even lower odds – 70 million to one – when she gave birth to quadruplets that consisted of two identical twin girls and two identical twin boys, according to the Telegraph.
The children were born after in vitro fertilization treatment, which has been linked to more multiple births than natural pregnancy. The babies weighed slightly more than 2 pounds each when they were born,Read More »from Mothers worldwide have multiple births despite the odds