Childlessness is defined as the absence of children in an individual's life [1]. Childlessness can be considered involuntary when an individual is unable to have children for medical reasons, whether known or unexplained
Infertility can be primary or secondary. Primary infertility is when a pregnancy has never been achieved by a person, and secondary infertility is when at least one prior pregnancy has been achieved. Fertility care encompasses the prevention, diagnosis and treatment of infertility.