Anyone have siblings with similar age gaps?

[pollypocketss]

I have a 9yo and 3yo and would like a third but scared I might upset the dynamic.

If you have 3 children with similar age gaps or siblings with similar age gaps, how did you find it?

Posted here for traffic, apologies if I do offend anyone.

Know this thread is older now, but I'm in a similar position! Any progress in your decision OP?