Wow - sorry Tegam but that comes across as completely lacking in any compassion whatsoever. Brutal!!
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That's ok you feel that way, but I think it is selfish. It's brutal to not offer congratulations.

It's brutal to be pregnant with a new life and someone close to you ignore it. Or it to become the great unsaid.

It happened to be for years. Both my sister and sil went thru ivf at the time we were having number three.
And lions and bears I think it does change things greatly and yes it eats up some of the joy

I've lost two babies. Neither of my sil or sister have. Should I not offer congratulations when they fall? Should I be upset they had it so easy to never experience a loss, NO WAY.

I stand by what I said. Selfish and insensitive.