I was lucky in that I knew I wanted a third child and got one. DH wasn't initially keen but must have done some hard thinking because when DS2 was approx 18 months he gave the green light. I don't regret having three at all. But ... I have a challenging son (DS2). He's a typical toddler - I think - but he's what I think is known politely as "spirited". He chucks the longest and best tanties of any kid I've ever come across ... but only at home. Socially, butter wouldn't melt in his mouth! And that's just one aspect of his behaviour. So from that perspective, I find parenting three kids very hard on some days.

But I think if you're unsure, you need to weigh up all factors - your other children, financial impact, your and DH lives now and down the track etc. For me, it was just something in my gut/head/heart ... I just "knew" at two children I wasn't done. But I had the full support of DH. Sorry I can't help you with anything more enlightening!