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.
Qualified Plans. Defined benefit plans are company retirement plans, such as pension plans, in which a retired employee receives a specific amount based on salary history and years of service, and in which the employer bears the investment risk. The employee, the employer, or both may make contributions.