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.
It's safest to check with your midwife or doctor before taking any remedies in pregnancy or during labour. Safe in moderation in pregnancy. The following herbal remedies are safe to use in moderation in pregnancy, but should be used with caution.Avoid in pregnancy and use with caution in labour.ost herbal teas are safe if you stick to one or two cups a day. So there's no reason why you shouldn't add oregano to your pasta sauce, or cinnamon to your desserts. The exception is sage, which should only be used in very small amounts in cooking. You shouldn't drink sage tea in pregnancy either.