Prenatal Diagnosis
What is the chance of recurrence of a child with PTHS if a child is born with PTHS in a family? How can this be determined reliably in a subsequent pregnancy?
Recommendation(s)
Prenatal Diagnosis
R6 Prenatal testing should be offered to families in which the diagnosis of PTHS in the index patient is molecularly confirmed.
A+++
R7 Prenatal testing for PTHS outside of a known familial genetic alteration remains challenging due to the current difficulty in interpreting reliably all variants that will be obtained. Use of this type of testing as a screening method is not recommended at the present time.
A+++
