Ttc at 28

Nicole • Averi Elizabeth, Bailey Ann, Auston Blake, Hudson Cash
I have 3 kids 12,7, and 1 I want another child but I feel like I want my youngest to be a little older...plus I'm a little nervous about about having a 4th child...plus I will be 29 in 2 months...should I try now or at least wait until my youngest is 2 he will be 2 in August