Clinical outcomes of two infants with cystic fibrosis, including presence of the vas deferens, born to a woman with cystic fibrosis taking CFTR modulators during both pregnancies

•Exposure to ETI in utero might prevent organ damage in fetus with CF.•Normal vas deferens found in a baby boy with CF exposed to ETI in utero.•Normal pancreatic function in two infants with CF exposed to ETI in utero.•Gallstones in an infant with CF exposed to ETI in utero but not after birth.