Questions about pregnancy after miscarriage

Hello, I’ve been trying to get pregnant after a miscarriage in February and haven’t been successful yet, my miscarriage was ‘medically managed’ as my body didn’t know the baby died so I’m worried maybe something is causing me not to conceived? Also I’m curious if I did get pregnant, does the nhs provide early scans for women pregnant after miscarriage cause I would be so scared the whole time if I did get pregnant?