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.
Ginger root can help relieve the nausea and vomiting caused by morning sickness for some pregnant women, according to the American Pregnancy Association. Morning sickness affects many expecting moms during the first trimester of pregnancy, and while itâs rarely severe enough to cause serious problems, morning sickness can be very unpleasant.