Oh your post reminds me of where I was about a year ago. When we fell pg with #2 I knew that Dh only wanted two. I guess I always thought I would talk him around... Anyway shortly after DD was born he was ready for some permanent BC. He even asked the OB if he could tie my tubes after the birth? WTF anyway I refused and it was a Catholic hospital anyway :-) So he signed himself up for a vasectomy and now we are offically infertile.

That period between having my DD and when he got the vastectomy done was gut wrenching. I desperately wanted another baby but I didn't know if it was simply because I knew I couldn't or if I really did want another baby? At times I was happy with my 2 gorgeous ones but at other times I knew we were meant to be a family of five. In the end it was hopeless as DH was adament about only having 2 and pushing a 3rd would have strained our relationship to breaking point.

We are now in a very happy place with our 2 gorgeous kids. It has taken me all this time to be OK with not having a 3rd. I still get a twinge when I see newborns and pregnant people but we are focused on the next stage now and have it clearly in sight. I found it handy to set some goals that we couldn't acheive with three - overseas holidays, time to myself to do my hobbies etc and it is working! I often consider donating eggs or similar as I feel it is such a waste for me to be able to have kids and not while others struggle - I wish they would invent a way to transplant a uterus as I would happily give mine away :-)

The thought of giving things away was (and still is) a little hard although I am doing it gradually to people who really need it so it is giving me a good feeling as they go.

So in a long winded answer to your question, yes the urge to have more does go away. i also wondered if after I had #3 if I would want #4 and I think the answer would be yes I would. I found 2 kids was much easier than one and would have loved to had a huge famiy full of kids but I am very happy with where we are now - and live though friends and online friends pregnancy instead :-) - bonus no morning sickness