Dutch insurance companies have agreed (moratorium) that results of previous DNA tests do not have to be revealed when a patient applies for an insurance.
It is important that women of child-bearing age who may wish to have a baby and who belong to a family with HHT are tested and treated before pregnancy.
It is possible to harvest oöcytes (eggs) from a woman with HHT. These eggs can be fertilised in the laboratory and analysed whether they carry HHT or not.