Fish and Less Weight Gain are Good for the Baby

And: Eating a lot of fish during pregnancy seems to produce smarter kids. A study of 135 Project Viva mothers and their six-month-old babies, published in 2005 in the journal Environmental Health Perspectives, found that greater fish consumption during pregnancy was associated with better infant cognition. The highest scores on a test of visual recognition memory were found among the offspring of women who ate more than two servings of fish a week during pregnancy, but had relatively low leve...

 Exercise is Good for the Fetus

May conducted a study of the effects of maternal exercise on the fetus. Comparing sedentary pregnant women to those who engage in moderate-intensity aerobic exercise for at least thirty minutes three times a week, May found that fetuses show the same beneficial effects of cardiovascular training as do their physically active mothers: their heart rates are significantly lower, and their heart-rate variability is greater, than those of fetuses of mothers who don’t exercise. [...] Exercise m...