The bacteria in yogurt are harmless to humans: They can't cause infection. During pregnancy, your digestive tract slows down to increase the quantity of nutrition available to your baby, explain Murkoff and Mazel. This can increase your risk of constipation, which can increase your risk of hemorrhoids.
Definition of undulating - having a smoothly rising and falling form or outline Definition of undulating - having a smoothly rising and falling form or outline dictionary
8 one of a sequence of ridges or undulations that moves across the surface of a body of a liquid, esp. the sea: created by the wind or a moving object and gravity. 9 any undulation on or at the edge of a surface reminiscent of such a wave. a wave across the field of corn.