An expectation of sacrificial motherhood may explain why eating while pregnant is such a fraught affair. On the food-related anxieties and pressure placed onto pregnant women:
“I discovered that “eating for two” is an anachronism, a unicorn, a thing from a svelter (or hungrier) past. … The pressure for mothers to modify their behaviors based on poorly understood risks plays out in the way that women are ‘educated’ about eating.
“Mothers are exhorted to optimize every dimension of children’s lives beginning in the womb. Good mothering is construed as behavior that reduces even minuscule or poorly understood risks to offspring, regardless of potential cost to the mother.”