Having two babies at the same time mean twice the fun and laughter! If you’re expecting twins, here are some interesting facts about them you probably didn’t know about:

1. Some women have the “twin gene”

If you’re pregnant with fraternal twins, you might have inherited something called a “twin gene”. The gene causes hyperovulation in some women and it can be passed down from generation to generation. In case you didn’t know, hyperovulation can cause women to release more than one egg during ovulation.

2. Twins can have different biological fathers

Nope, we ain’t lying! According to Baby Center, one study estimates that as many as 1 in 400 sets of fraternal twins has different biological fathers. This happens when two eggs from the same mother get fertilized by two different fathers within the same ovulation period.

Twin Facts
Source: Pinterest
3. Mothers of twins tend to live longer

After looking into the records of over 59,000 women who gave birth from 1800 to 1970, researchers from the University of Utah suggest that mothers of twins actually lived longer than those who had singletons. “The argument is that people have to live long enough to bear children and rear them so the offspring live long enough to reach sexual maturity so they in turn can reproduce,” says the study’s lead author, Ken Smith, director of the Utah Population Database and a professor of family consumer studies at University of Utah.

4. Twins bond in the womb

The myth is true – multiples interact with each other in mommy’s womb. An Italian study found that fetuses start deliberately interacting at 14 weeks. By the 18th week, they touch the other sibling more than themselves.

5. Tell them apart by looking at their belly buttons

This is because belly buttons (or navels) are scars left from removing the umbilical cord, so each one is different. Besides that, parents can identify their twins by taking their fingerprints.

Source: Pinterest
7. They speak their own languages

Experts say that 40% of multiples invent their own language. Dubbed cryptophasia (which means a language only they can understand), twins pick up on verbal cues that others around them can’t interpret. Although it usually fades away as they begin to learn proper language, some pairs maintain their unique vocabulary their whole life.

Perhaps the most well-known example of cryptophasia is the case of June and Jennifer Gibbons (aka The Silent Twins).

8. Twins can be born months apart

While most multiples share the same birth date, some were born days, weeks or even months apart. A delayed interval birth takes place when one multiple is delivered prematurely, but doctors are able to halt labor and keep the remaining multiple in their mother’s womb to grow and develop.

Sources: TIME, Being A Mom, Very Well.

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