That's a good decision
You should be normal and enthusiastic as always
You can have good healthy food in a clean place
You may share your meals with your husband
You can decorate the meals before starting
No stale food or junk food or fried items
If you love to eat home made fried items you may have along with vegetables like salads
You can have lamp meat small fish meat and duck meat if you're non-vegetarian
You can have chicken egg duck egg quail egg alternatively
Pulses cereals legumes should be one of the meals per day
Leafy vegetables once in two days
Fruits or fruits juice as you prefer
If you love to eat junk food like burgers make it at home
Next Steps
there are ayurvedic medicines too which are taken preconceptions or during pregnancy
if you prefer consult online with me
Health Tips
there should be a routine in everything
and be happy always