1 Girls start having periods at different times depending on how quickly they are developing.  If a girl has not had her first period by the time she is 16, this is still probably normal, but it would be worth checking with a doctor.
IETMS stands for Interactive Electronic Technical Manual System. Israeli English Teachers' Network. Institution of Engineering and Technology Northern Ireland. Institute of Engineering Technology of Ontario (Canada) Interagency Environmental Technology Office (Washington, DC) Industrial Effluent Treatment Plant.
Name of the exam: IES (Indian Engineering Services) Exam Conducted by: Union Public Services Commission Exam conducted in the month of: June (usually) Mode of applying for the exam: Online Age criteria: 21-30 years as on 1 January Educational qualification: A Bachelors degree in Engineering from a recognized university