Amenorrhea is the nonappearance of a menstrual period in a lady of regenerative age. Physiological conditions of amenorrhoea are seen, most generally, during pregnancy and lactation , the last additionally framing the premise of a type of contraception known as the lactational amenorrhoea technique. Outside the regenerative years, there is nonattendance of menses during adolescence and after menopause. Amenorrhoea is a side effect with numerous possible causes. Essential amenorrhoea is characterized as a nonappearance of optional sexual attributes by age 14 with no menarche or typical auxiliary sexual qualities yet no menarche by 16 years old. It might be brought about by formative issues, for example, the intrinsic nonappearance of the uterus, disappointment of the ovary to get or keep up egg cells, or postponement in pubertal turn of events. Auxiliary amenorrhoea (menstrual cycles stopping) is frequently brought about by hormonal aggravations from the nerve center and the pituitary organ, from untimely menopause or intrauterine scar development. It is characterized as the nonappearance of menses for a quarter of a year in a lady with beforehand ordinary period, or a half year for ladies with a background marked by oligomenorrhoea.