For persons who combine a master's degree and a PhD at the same institution, 5 years seems to be a typical length of time to completion. With the AuD degree being so new, it is currently unclear how long a PhD will take after the AuD or the length of time to complete a combined AuD/PhD (research degree).et's assume that a PhD is finished in about 4 years. The first 2 years will include taking courses, many of which will be courses from outside the CSD department. The choice of course work varies by student but always includes several research methods and statistical analysis courses.
Answer   I think you start your first period when you are about 9-13 years old.I started my first period when I was 10 years old and I was in 4th grade during that time sâ¦o I don't think I started my period too early. 6 people found this useful. CatRox.
Q:Girls should have their periods by the time they are 13. Q:Girls should have their periods by the time they are 13. Everyone develops at their own rate. A doctor should be consulted for girls who have not gotten their periods by age 15 or within a few years of breast growth. It is important to note that some girls don't get their periods until they're 16. Often the best predictor of when a girl will get her first period is when her mother got her first period.