No it doesn't mean you're having twins.
the twins
Very odd, as there are two to a set of twins ! 11 would mean one is not a twin, unless you mean 11 sets of twins ?
Mirror Twins are always monozygote twins. This does not mean that fraternal twins won't be a righty and a lefty - if your family tends to run left handed.
twins
First of Twins
i think you mean conjoined twins. These specials twins are joined together sideways when they were born, and it will need a surgery to get them apart.
yes and no depend how you ask or say twins
We're twins
You mean...twins?
Twins (female)
it means more responsibility