<unk>  means you cannot make a baby (conceive).<unk>  is grouped into two categories:
Primary<unk>  refers to couples who have not become pregnant after at least 1 year of unprotected sex (intercourse).
Secondary<unk>  refers to couples who have been pregnant at least once, but never again.
Infertility
Primary amenorrhea
Secondary amenorrhea
Precocious puberty
Menorrhagia
Salpingitis
Ovarian disease
Delayed puberty