Noun. 1. incense-a substance that produces a fragrant odor when burned. chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight.oun. 1. incense-a substance that produces a fragrant odor when burned. chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight.
1 Vaginal bleeding during the first trimester of pregnancy is relatively common. 2  Some amount of light bleeding or spotting during pregnancy occurs in about 20% of pregnancies.  In some cases, particularly when there is heavy bleeding and cramping, bleeding during pregnancy is the sign of a serious problem.
Vaginal bleeding during pregnancy is any discharge of blood from the vagina. It can happen any time from conception (when the egg is fertilized) to the end of pregnancy. Light bleeding, or spotting, during pregnancy is common, especially during the first trimester. Usually this is no cause for alarm. It is considered spotting when you notice a few drops of blood occasionally in your underwear. There is not even enough blood to cover a panty liner.