Hello, Thanks for the query,
Congratulations on your pregnancy
Chances of successful pregnancy after one miscarriage
is as high as 85%.
So its a positive sign.
Since you are told to have an irregular heart beat, Get a ECHO done.
This is to rule out any heart problem.
Incidence of CHD in baby with mother with heart disease
Rule out infections like malaria by spot test.
Eat nutritious, take adequate rest, continue folic acid
Hope this helps.
regards and good luck