I'm a CS carrier and freaking out!

I just got a call from my dr office and they told me I am a carrier for Cystic Fibrosis and that my husband needs to go in and get his blood work done, if he is a carrier than the baby has a 1 in 4 chance or 25% chance of having CS and I am freaking out! The call came out of no where so I was just taken back as they had called me a few days ago and said that my tests all came back normal. Has anyone else had this experience? The results take about 10 business days to come back for my husbands bloodwork...I am going to be a nervous wreck until then!