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.
Your first period, also called menarche, is most likely to start when you are 12 or 13 years old. Some girls get their periods as early as eight or nine, however, while some don't start menstruating until they are 15 or 16 years old.