Is this normal during pregnancy I never had this in any of my other pregnancies

Brittany • Happily married stay at home mother of 3
I am currently 16 weeks and 6 days I'll be 17 weeks tomorrow and my boobs have been itching and peeling the last several weeks since I was about 4 or 5 weeks and now I scratch them today and there leaking clear sticky stuff is this normal it never happened with any of my other kids till after I had them..