Tracy Birkinbine, 40, center,
and her husband, Brian
Birkinbine, clockwise from left
to right, daughters, Amber, 15,
Corinne, 10, and son, Cameron,
8. After three failed cycles of
in vitro, the family adopted
Amber from foster care. The
other children were conceived
naturally afterward. Tracy now
has her own infertility and
adoption counseling practice.
PHOTOGRAPH BY WHITNEY CURTIS