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.
Bleeding during pregnancy. Bleeding during pregnancy is more common than we first suspect. As many as one in three women will have some sort of bleeding during their first trimester of pregnancy. This can range from a few brown spots to bright red blood loss and for some, passing large clots. Bleeding can occur at any stage of pregnancy, though it is most common in the first trimester.