It’s funny how a little plastic stick with double pink lines has the power to change life as you know it. Through the first week after learning I was pregnant, I dealt with the gamut of emotions—and questions! What would my pregnancy be like? How would my body respond to this huge change? Do I have to change my nutrition? And, of course, will I be able to continue working out? Here's how I adapted expertise from my doctor, physical trainer, and scientist husband (maybe you know him!) to answer ...