The main symptom of placenta previa -- and the greatest risk to you and your baby -- is vaginal bleeding. If you have bled too much, you may have other symptoms, such as anemia, pale skin, rapid and weak pulse, shortness of breath, or low blood pressure. The bleeding that signals placenta previa may occur at the end of the second trimester or beginning of the third trimester. It may be heavy or light. Bleeding is usually painless, and it may happen without labor or during labor.
Quick Answer. On average, approximately 35 percent of people never develop wisdom teeth. This is highly dependent on ethnicity; nearly 100 percent of indigenous Mexican people, for example, never develop third molars, while almost 100 percent of indigenous Bantu people of Angola do develop them. Continue Reading.
In 2014, 52.3% of adults reported that they had visited the dentist every six months the last few year, 15.4% reported once per year, and 11.0% reported once every two to three years. More than one in five (21.3%) said that they had not visited the dentist in the last few years. Among parents of children under 18, 64.6% reported that their children had visited the dentist every six months, 20.3% once per year, and 4.4% once every two to three years.