my perspective FWIW
what is it that yr dh found/finds so traumatic about pregnancy and small-baby-business?? (apart from the trauma of yr recent m/c that is)
when we didn't conceive for years after ds1 was born I was totally torn up with baby hunger, I know just what that feels like, but my dh wouldn't even begin to touch the subject. It took till ds1 was 4 (and prompted by a major marriage trauma) for dh to come clean with his feelings about my pregnancy with ds1 and the subsequent changes in our lives, how hard he found it to love ds when I was so altered by the events of his conception and birth starting from the 2 m/c we had before ds1, and more (deep anguish around ds having the same sort of health problems dh suffered as a kid)
if our lives had been run by his fear and pain we would never have ds2, who dh loved readily from birth, he would never have found that pure place to love his children from (if that makes sense) and we certainly wouldn't be having dc3 in a few months
parenting and all the stuff that comes with it can be so confronting. Most men I know hate having their own issues in their face in the way parenting etc tends to do - most women I know prefer to pick up the challenge and learn something important
so I agree with lilyka and nomadic - give him some time and space. Even if you think a 2 yr gap is the best for your kids, "fate" or whatever you like to call it may well have other plans. And give yourself some time too - you are still in recovery from yr m/c and you have a young baby, that's a lot to deal with

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