Great White shark trophic PYRAMID: 1  Trophic Pyramid Information that is in video: An ecological pyramid (also trophic pyramid, energy pyramid, or sometimes food pyramid) is a graphical representation designed to show the biomass or biomass productivity at each trophic level in a given ecosystem.
For a vaginal yeast infection that recurs within 2 months of treatment, or four times in 1 year (recurrent vaginal yeast infection), see your doctor. Further testing or a different treatment may be needed. If you have been using a nonprescription medicine for your vaginal symptoms, be sure to tell your doctor.
A yeast infection can be caused by one or more of the following: Hormonal changes that come with pregnancy or before your period. Taking hormones or birth control pills. Taking antibiotics or steroids. High blood sugar, as in diabetes. Vaginal intercourse. Douching. Blood or semen.