I don't know about cravings, though I often tell my daughter she is made of 90% matzoh ball soup and 10% strawberry ice cream. The thing I remember most is my wildly enhanced sense of smell and the attendant disgust for 3 categories of food: 1) anything with garlic, 2) cured meats, and 3) seafood. I didn't recover my taste for lobster and shrimp for nearly 2 years. Recently, I told an incredulous GWiv and stevez the following anecdotes from pregnancy:
I was about 7 months pregnant, attempting to take a nap upstairs one day in late summer, when I was roused from my reverie by the smell of cigarette smoke. I was puzzled, since I was alone in the house. When it persisted, I investigated, only to find that the offending smoke came from my neighbor, who was taking a cigarette break from mowing his lawn-- across the street!
Later that summer, we were having our kitchen-family room gutted and renovated. There was not a lick of food in the place, but I began to smell garlic every time I entered the room. Since I was bothered on a daily basis by strong smells in the environment, I began to think that this smell was just an illusion that reflected my over-sensitive pregnant state. But one day I decided to find out whether I was in fact imagining this. I focused on the corner of the kitchen that seemed the source of the garlic smell and dismantled the cabinet in that corner. On the floor, in back of a series of drawers, was an errant bulb of garlic, growing a green shoot about 4 inches long! What a relief.
Man : I can't understand how a poet like you can eat that stuff.
T. S. Eliot: Ah, but you're not a poet.