Infertility

Infrequent Periods
Medical dictionaries define oligomenorrhea as infrequent or very light menstruation . But physicians typically apply a narrower definition, restricting the diagnosis of oligomenorrhea to women whose periods were regularly established before they d...  More »
Gale Encyclopedia of Children's Health

No Menstrual Period
Amenorrhea is the medical term for the absence of menstruation . There are two types of amenorrhea, primary and secondary. Primary amenorrhea refers to delayed menarche (the first menstrual period) and is defined as any one of three conditions: th...  More »
Gale Encyclopedia of Children's Health

Fertility Problem
Any procedure or medication that interferes with the functioning of the testes or ovaries affects fertility. The choices made before cancer treatment begins can determine whether the patient will remain fertile after treatment. Prior to deciding o...  More »
Gale Encyclopedia of Cancer