Pocket Veto. Definition. A formal decision to reject a bill passed by Congress after it adjourns-if Congress adjourns the 10 days that the president is allowed in order to sign or veto a law, the president can reject the law by taking no action at all. Term.
At age 25, a woman has a one in 1,250 risk for having a child with Down syndrome. The risk increases to one in 952 at age 30, to one in 378 at age 35, to one in 106 at age 40 and one in 35 at age 45. However, 80% of children born with Down syndrome are born to mothers under the age of 35.This is because most babies, in general, are born to younger women.s many as 80% of adults with this condition reach age 55, and many live longer. The most common form of Down syndrome is often called  trisomy 21, because individuals with this condition have three copies of the 21st chromosome.
Risk factors include: 1  Advancing maternal age. 2  A woman's chances of giving birth to a child with Down syndrome increase with age because older eggs have a greater risk of improper chromosome division. 3  By age 35, a woman's risk of conceiving a child with Down syndrome is about 1 in 350.