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
2. to move or cause to move along on wheels or rollers. 3. to flow or cause to flow onwards in an undulating movement: billows of smoke rolled over the ground. 4. (Zoology) (intr) (of animals, etc) to turn onto the back and kick: the hills roll down to the sea.