In this special Saturday night edition of the DT Friday Freakout, our heroine, the pregnant economist, actually looks at the data underlying all those hardline proscriptions pregnant ladies get--about alcohol, coffee, sushi, deli meat, weight gain, &c.--and finds that people really need to just chill, because seriously.
For herself, then, Emily Oster: drank wine like a European adult; drank coffee like she basically did before her pregnancy; avoided deli turkey and queso fresco; and worried less about optimum weight gain for herself and more about avoiding the more serious risks of delivering a low birth-weight kid.
As always, your mileage may vary.
Yes to Coffee and Wine: Rewriting the Rules of Pregnancy [wsj]