Child born abroad to one U.S. Citizen parent and one non U.S. Citizen...
... provided that one parent is a U.S. citizen at the time of the child's birth and the birthdate is on or after November 14, 1986. A child born outside of the United States to one U.S. Citizen parent and one non-U.S. Citizen parent may be entitled to citizenship providing the U.S. Citizen parent had been physically present in the United States or one of its outlying possessions for five years, at least two years of which were after s/he reached the age of fourteen. This period of physical presence must have taken place prior to the birth of the child.