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.
A dentist may advise a patient to have their wisdom teeth pulled for long-term health. Why Are They Called Wisdom Teeth? Your third molars are the last set of teeth to appear in the mouth. They typically erupt between 17 and 21 years old. Due to this later age, they became known as wisdom teeth. It's likely that the nickname has something to do with the adage or belief that with age comes wisdom..