Just a quick note to say hi! Hello, I to have protien S & C defienicy. Born with it, Have had trouble with clot's since my middle twenty's. Doctor's didn't know what was wrong. Didn't find out untill I moved to Oregon in1987. Have no childern and the doctor's say it's better because I could pass this to them. My mother has it my sister & a niece. It came from my mother's side.