As far as I know in the USA most States give prenatal insurance once you are pregnant, you may want to find the nearest state hospital and see.
You don't need to be employed to get Medicaid
Never hear of it but I'm not working so I'd assume I wouldn't be eligible but my health care under my husband kicks in apri 1st
Its normal to lose weight at the start. I didnt gain til 20wks (ish). At every single appointment ive ever had they check the heartbeat. If you already had one ultrasound they may not do one again til around 20wks. Dont stress or worry though, it just makes life harder on baby :)