advice

Hi I am new to this app just wanted to talk to you... I fell pregnant in December When I was 12 weeks I went for my scan they couldn't find anything so they told me go back in a week so I went again when I was 13 weeks the scan till showed the same I had an empty sack they took my bloods everything was normal as I was pregnant but there was no heart beat they told me I might have amola pregnancy so I got really scared & worried had to wait another week for results but showed that i didn't have amola & I just had a miscarriage early they left me for a week so have a natural miscarriage but nothing was happened so 4 weeks on I ended up having a operation to remove my sack what was still growing now I'm trying again to have a baby but finding it so hard everyone one falling pregnant around me & two mates are preganant I come home & cant stop crying I'm trying my best to become pregnant again but nothing happening has anyone got any advice x