Catlover2014 I am sorry to hear of your miscarriages, they are always painful and difficult to deal with and a very personal tragedy.
One thing I found so hard when I had my one miscarriage may years ago was the fact that as it was so early hardly anyone knew I was expecting, so I could not really talk to anyone about it much, which for me made it seem harder, like it had almost not happened.
This has been hard for you and I do think it will get better, just my opinion.
I think being able to be around pregnant women and young babies is a very useful skill if you have a child placed through adoption.
My situation is a bit different because we have a birth child and I did do the pregnancy thing, although my pregnancy was fraught with problems, including almost miscarrying and a complicated birth. I did really want another birth child and struggled with having many friends who all went on to produce number two or even number three.
For you, once you do adopt these experiences might have some small value. And if the social worker has recommended this then I do think it will be helpful to do, in that not doing it may look like you are not fully engaging.
Also, soon as you enter that world of toddler groups or pre school or school, or whatever with your new child, you will find you are surrounded by people who have kids and are having more kids. It is hard to avoid them! I know lots of people who had four kids and one managed to have three in the time I was trying to have my second! My second has now arrived (by adoption) and I am again in that preschool and toddler setting where I am surrounded by shiny bumps and tiny babes. I did manage to get over the sadness of not having another baby and it does make it much easier to mix with these mums, who have three year old kids I want my new child to have the chance to mix with.
So I guess what I am saying is that although it is hard I do think it has value.