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.
The Impact of Event Scale (IES) is a short set of 15 questions that can measure the amount of distress that you associate with a specific event. Developed in 1979 by Mardi Horowitz, Nancy Wilner, and William Alvarez, it continues to find use in research and with mental health professionals worldwide.ere are the questions and instructions for the original Impact of Event Scale. List Today's Date_________. List the Date of the Event_________. Describe the Event______________________________________________. Below is a list of comments made by people after stressful life events.