Am i the only pregnant one?

who seems to have a different craving every week?...im 17 weeks pregnant and first it was bologna sandwiches, then pickes, then potato chips, then hashbrowns, meatball subs from subway with ranch and now beef ramen noodles??...is this bad for me and it wont hurt the baby right??...i try to eat as healthy as possible but i go crazy when im going through a craving and i dont get one of these items...and does it sound by what im cravin what gender i could be possibly having,,,the baby is down low and the hr has been at high 160s since the beginning..if that helps..