D. As muscle mass increases, so does metabolism. A higher metabolism burns more fat. This is because, since she didn't change her eating habits the working out she does causes to loose her fat.
Because in the first weeks of pregnancy it is the developmental stage for major organs so if they embryo is exposed to toxins it could damage the embyro and it could cause developmental damage and stunt the growth of the baby and perhaps give the baby permanent damage throughout the bays life.
