Many of us waited a long time for them. The fertility treatment journey can be a grueling nightmare, an emotional roller coaster filled with tears, hopes and painful disappointment before a positive test that holds. The latter is different, she explains. I want to help them out. Ostiller's children are old enough to wonder what people mean, she explains.
Identical twins occur when a single egg splits in two, creating two babies of the same sex.
Interestingly, the rate of identical twin births in the U.S. is the same as it's always been, while fraternal twin births are growing dramatically. Only fraternal twins run in families. Identical twins happen by chance and can happen to anyone, whether there are twins in the family or not. Different races have different probabilities for having twins, too. Joe, whose identical twins were a complete surprise, says she is really in the minority because she had her twins when she was under 35, and she is Chinese.