Flow measurement is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive-displacement flow meters accumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow.
The following herbs have been rated Likely Safe or Possibly Safe for use during pregnancy:4. 1  Red Raspberry Leaf â Rich in iron, this herb has helped tone the uterus, increase milk production, decrease nausea, and ease labor pains. 2  Peppermint Leaf â Helpful in relieving nausea/morning sickness and flatulence.
â¢ Nothing beats morning sickness like a cup of ginger tea. The same spicy herb is used to counter motion sickness. To make ginger tea, boil 30 grams dried root (available in health-food stores) in 1 cup water for 15 to 20 minutes, strain, and sip. â¢ Herbal teas made with lemon balm, and peppermint are also known to reduce nausea.