31. But contrary to conventional wisdom, high hormone levels don't necessarily translate into severe morning sickness . 32. Thalidomide was given to pregnant women in Europe in the 1960s to treat morning sickness . 33. If morning sickness is still a useful defense, may there be risks in suppressing it? 34. First-trimester morning sickness is poorly understood as a whole. 35. His pregnant mother had taken thalidomide in the 1950s as an antidote to morning sickness . 36. Neither morning sickness nor due dates interrupt ambitious schedules. 37. Studies suggest that morning sickness has a genetic component. 38. The Mariners have a lot of morning sickness , but no baby to show for it. 39. In previous centuries, women usually didn't know they were pregnant until they experienced morning sickness . 40. A : Morning sickness , or nausea during pregnancy, can occur at any time of day.
