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.
In the United States, the average age for a girl to get her first period is 12. This does not mean that all girls start at the same age. A girl can start her period anytime between the ages of 8 and 15. Most of the time, the first period starts about 2 years after breasts first start to develop. If a girl has not had her first period by age 15, or if it has been more than 2 to 3 years since breast growth started, she should see a doctor. Women usually have periods until menopause. Menopause occurs between the ages of 45 and 55, usually around age 50.