That is, less than one in 1,000 pregnancies for mothers less than 30 years of age results in a baby with Down syndrome. For mothers who are 44 years of age, about 1 in 35 pregnancies results in a baby with Down syndrome.
DEFINITION of 'Defined-Benefit Plan'. An employer-sponsored retirement plan where employee benefits are sorted out based on a formula using factors such as salary history and duration of employment.
The thrift savings plan is a defined-contribution plan designed to give federal employees the same retirement savings related benefits that workers in the private sector enjoy with 401(k) plans. Contributions to the plan are automatically deducted from each paycheck. Next Up.