Jamie and Rachael Bonser are campaigning for hospitals to check for a condition at every pregnant woman's 20-week scan.
The condition is called Vasa Praevia and is caused by the placental or umbilical blood vessels crossing the birth canal.
It is not mandatory for hospitals to check for the condition.
A full list of the symptoms and what to do about them is available here.
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A family friend of two young sisters who were killed when a driver crashed into them has said his four year jail sentence is not enough.
There should be some bright or sunny spells across the region but also a few showers.
It will be a fine day with plenty of sunny spells, though feeling cold.