Am I over feeding my baby ?


So I have a 3 year old that I breastfed for 2 years so this formula feeding is all new to me. My LO is 2 months old. She eats 4 oz every 3 1/2 to 4 hrs. I took her to her well baby appointment and she was 7lbs 9oz last month. This month she’s 10 lbs 🙈 her doctor wasn’t worried when I asked but I am. I also want to know when did you guys up the amount of oz’s for each age. Every time I google I get different amounts. Ugh help lol