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.
Defined benefit pension schemes explained. A defined benefit (DB) pension scheme is one where the amount youâre paid is based on how many years youâve worked for your employer and the salary youâve earned. How defined benefit pensions work. How to work out your pension income. Checking your pension income. When you can take your pension.