You should avoid NEXPRO
You may check for H. Pylori infection by a specialised test which can be done at a pathological laboratory.
Take minimum medicines during pregnancy and during lactation
But some natural means can be followed:
Drink about 1/2 glass of water for 1 and 1/2 hours after major meals.
Do not lie down for for 1 and 1/2 hours after major meals. If possible walk or sit but do not lie down.
Avoid spicy, oily food.
Take natural diet full of fruits and vegetables. Papaya is good.