I had DD1 at 30, DD2 at 34. It was quite a big gap as we wanted to save money and buy a house before having a second DC.
I thought I'd be done at two but now we really would like a third DC. However, due to my age I wouldn't want to wait as long as last time, I'd probably want to have another one within the next eighteen months or so, maybe around the time DD2 turns two.
DH thinks this would be ok but I'm a bit worried about my older child. Would she feel left out, being quite a lot older than her younger siblings?
I know that it can be really difficult to plan these things and I'm probably massively overthinking it when there are no guarantees I would get pregnant quickly anyway. But can't help worrying about this.