Dr Maja Risager Nielsen and Dr François Feillet discuss pregnancy in PKU and two different papers looking at the outcomes in pregnancies with and without BH4 treatment.

The impact of phenylalanine levels during pregnancy on birth weight and later development in children born to women with phenylketonuria

Maja Risager Nielsen, et al

https://doi.org/10.1002/jimd.12600

Efficacy and safety of sapropterin before and during pregnancy: Final analysis of the Kuvan® Adult Maternal Paediatric European Registry (KAMPER) maternal and Phenylketonuria Developmental Outcomes and Safety (PKUDOS) PKU-MOMs sub-registries

François Feillet, et al

https://doi.org/10.1002/jimd.12724