Study	Reason for exclusion
Mischler 1998	In‐depth counselling following disclosure of carrier status with a post‐test only design addressing knowledge, retention of carrier status information, understanding, attitudes and openness about the results with other family members (nested within an RCT of screening).
Tluczek 1992	A post‐test only design to assess parental knowledge of screening, education levels, emotional response, parent‐child relationship and reproductive plans following raised IRT screening results and a negative sweat test (nested within an RCT of screening for CF).