If you're asking about how old it is considered to be pregnant then if you get pregnant at age 25, your risk of having a baby with with Down Syndrome, for example, is about 1 in 1250, according to the National Institutes of Health. At age 40, the risk is 1 and 100. if you'll be 35 or older on your due date, you'll be offered genetic counseling. I hope I helped.
Results from the 2015–2016 National Health and Nutrition Examination Survey (NHANES), using measured heights and weights, indicate that an estimated 39.8% of U.S. adults aged 20 and over have obesity, including 7.6% with severe obesity, and another 31.8% are overweight.
If you're referring to 12 stages of life y Dr. Thomas Armstrong, it's best to study them on early childhood stages
It's a stage where human started to develop our social and communication skills
Restrict obese people from eating more than they need to because they already eat more than they need to so it helps them lose unesessary fat...