“…Which twin is more exposed to birth injury, the one born first or the one born last? O n first thought, it would seem that it is the twin born first, but actually it is the one born last, as was demonstrated by Brander (1940), 1963), and others. Goldstein (1938) studied the connection between order of birth and other birth factors from a n obstetric point of view, and he also gave an exhaustive review of the literature on the subject.…”