Birth Order Personalities  Oldest Child. The birth order premise as theorized by psychiatrist Alfred Adler is based on the classification of children within the social dynamics of their order of birth. The oldest child has long been identified as the one thrust in the role of leader for his or her siblings. In addition, they are also seen as responsible and authoritarian. The power given to them by their parents in order for them to function as a surrogate parent is not only accepted in most cases but also treasured.
â¢ UNDERCARRIAGE (noun) The noun UNDERCARRIAGE has 1 sense: 1. framework that serves as a support for the body of a vehicle. Familiarity information: UNDERCARRIAGE used as a noun is very rare. Dictionary entry details.
A miscarriage is the spontaneous abortion of an unborn child prior to the 20th week of pregnancy. Causes for a miscarriage are numerous. Frequently, miscarriages occur before the 12th week of pregnancy, and about 20-30% of pregnancies end in miscarriage.