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For the proband/target and other individuals in the family history that are

In the CanRisk Tool, when a family member is marked as alive,

the

that person's age and year of birth are automatically synchronised by default.

In the '

For example, when you specify the proband's date of birth in the 'Personal Details' section

of the CanRisk tool when the date of birth is entered the

, the the proband's age is automatically assigned.

Forother family members, added in the

Similarly, when you are adding relatives in the 'Family History' section

, when

and you specify an age

is added

, the corresponding year of birth

is

is synchronised (and vice versa).

There

However, there are scenarios when the synchronisation of the age and year of birth fields may not be desirable, e.g. when reproducing cancer risk calculations retrospectively.

How to disable age/year of birth synchronisation

Synchronisation can be disabled in the

'Preferences'

user preferences menu. Click the 'Preferences' button at the top of the CanRisk

tool page

Tool to open

the user preferences. Under the

this menu. Then, under 'Advanced Options'

there is an

, select the checkbox to 'Disable age and year of birth synchronisation'.

For all subsequent risk calculations this allows for these

This allows the synchronised values to be

overridden

overriden as explained below.

With

When synchronisation is disabled,

on entering

you can specify the proband's date of birth

their age is still automatically given. However it is now

, and the corresponding age will still be automatically assigned. However it will then be possible to click on the age and change it.

You

Then if you do change it, you will see a warning message (shown in red below) to indicate this is not

their

the person's current age.

Editing the proband's age in the 'Personal Details' section

i) year of birth entered	ii) age edited
Image Modified	Image Modified

In the '

Similarly, when you are adding relatives in the 'Family History' section, if you click on the lock symbol in the Individual's Details' panel (

under the 'Family History' section) clicking on the lock symbol, between

see below), then this will unlock the 'Age' and 'Year of birth'

input

fields

will unlock them and

and disable the synchronisation

of these

between them for that family member.

Editing a family members member's age and year of birth fields in the 'Individual's Details' Panel panel. Clicking on the 'lock'/'unlock' symbols symbol toggles between the synchronisation on and off between these fields when entering values for these fields.

i) 'locked'/synchronisation on	ii) 'unlocked'/synchronisation off
Image Modified	Image Modified

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