Choking baby

Lynzee • Mommy to Ammarie, born on March 3,2016!

I pump and bottle feed my daughter.

I worry about her, because she eats so fast and has choked several times. She's only two and a half weeks old!

I bought slow flow nipples, I try to sit her up straight during meals, and I let her drink for a few seconds, then I take away the bottle until she swallows everything then let her eat some more.

Somehow she still manages to get choked and it scares me! What else can I do?