As per the provisional population totals of Census 2011, the population density of India has gone up to 382 persons per square kilometer from 325 persons per square kilometer in 20011. On an average, 57 more people inhabit every square kilometer in the country as compared to a decade ago.he population density of India from 1901 to 2011 is shown in Statement 31. At the beginning of the twentieth century i.e. in 1901 the density of India was as low as 77 persons per sq. km.
Pregnancy is the most common cause of a missed period. If you might be pregnant, treat yourself as if you are pregnant until you know for sure. Use a home pregnancy test as the first step to finding out whether you are pregnant. If you are not pregnant, other causes of missed or irregular periods include: Excessive weight loss or gain. Although low body weight is a common cause of missed or irregular periods, obesity also can cause menstrual problems. Eating disorders, such as anorexia or bulimia. For more information, see the topic Anorexia Nervosa or Bulimia Nervosa.
Quick Answer. Stress and extreme weight fluctuations may cause the menstrual period to arrive a week early, according to CNN. For some women, antidepressants, thyroid disease or polycystic ovary disease is the culprit. Continue Reading.