Most healthy babies come from mothers aged 18-23 years. To such conclusion experts from New Zealand in the last part of the study.
To 18 years the body of the girl is not formed until the end, sometimes to adulthood, he has no time to prepare for childbearing. In the period from 18 to 23 years comes understanding, why give birth to a child, and mutations to this point do not have time to accumulate.
After 30 years to make a healthy baby is much more difficult, increases the chance of premature birth of a child with various disabilities. Scientists urged women to always remember: only a healthy mother can give birth to a healthy baby. Prior to conception, doctors advise to contact the women's clinic for help and expert advice.