Hello and congratulations!!
Quickening is the first time you feel
fetal movement!!! It's a beautiful feeling!! I felt movement "Quickening" about 16-17weeks in my 2nd trimester, and it felt like little taps or bubbles popping in my belly! It varies from woman to woman, and in your 1st pregnancy, you may not even know you're feeling it, causing concern if there's really life in there! But once you feel it, you'll get a sense--then anticipate more and more movement.