I've read that eating spicy food toward the end of your pregnancy can help stimulate labor. So, is it safe to eat spicy foods before you are full-term?
I don't know of any evidence that spicy foods actually cause foods you eat during pregnancy and breastfeeding can help your baby get used to the tastes of your culture. So make a citizen of the world, and eat your chile rellenos, Szechuan eggplant, or atomic Buffalo wings to your heart's content! Enjoy!