Zar may refer to: 1  Zar, Armenia, a town in the Kotayk Province.  Zar, Azerbaijan, a village in the Kalbajar Rayon currently controlled by the Nagorno-Karabakh Republic.
If you're carrying more than one baby, chances are good you'll deliver early. Twins are usually born around 36 weeks -- four weeks early. Triplets arrive at about 33 weeks, and quads often make their debut at 31 weeks.
A twin pregnancy is a double blessing, but it can also carry greater risks than singleton pregnancies. In the U.S, about three in every 100 pregnant women give birth to twins or triplets, according to the Mayo Clinic in Rochester, Minn. And by many accounts, twin pregnancies are on the rise.