I am also pregnant with #2, and number 1 has a lot of allergies:
egg, milk, soy, shellfish, some beans and peanuts (all these seem to be decreasing thank goodness) also some tree nuts and we just found out: sesame seeds (these might not go away
We see 2 allergists for our son and both advised that my prenatal diet wouldn;t have much impact on #2's allergies, but since nuts, legumes and shellfish weren't essential for nutrients i could cut them out if i wanted.
anyway, for the pregnancy i have cut out nuts and seeds, i eat legumes and shellfish sparingly (2x for each in 7 months)
Once this kid is born i plan on eliminating ALL allergens as i did when breastfeeding #1 (once i found out, at 8 months...), hoping we won't have the same problems with eczema, etc, but we'll see
who knows if he'll have the same allergies even!
knowing about everything but the sesame seeds, we had gotten used to a certain way of eating and what were safe foods when we ate out etc., now knowing about the seeds as well (and the Dr. telling us to avoid ALL seeds (which are everywhere--in cooking oils, etc,) makes me feel like we're starting from scratch and is disheartening, so i know a little how you feel....