Frequency of Down’s syndrome increases | vedclass

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Question

(a) They occur in $1/700$ births in women aged $25$ years or under.

The frequency increases with age to about $1/100$ for women of age $40$ and $1/

Vedclass · Accepted Answer

Above $35$ years

Vedclass · Answer

(a) They occur in $1/700$ births in women aged $25$ years or under.

The frequency increases with age to about $1/100$ for women of age $40$ and $1/10$ for women of age $45.$

Frequency of Down’s syndrome increases when the maternal age is

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