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.
A Danish study has found that Zofran, an anti-nausea drug that's given to pregnant women who suffer from severe morning sickness, does not harm a growing fetus. More from USA Today : One in 10 pregnant women has nausea and vomiting bad enough to need medicine but many forgo it out of fear of side effects.