A couple in their mid-30s are at their primary care provider's office because they have been unable to conceive for 3 years. They already have one child who is 4 years of age. The care provider explains to them that they are dealing with what kind of infertility?
secondary infertility

There are two main types of infertility: primary and secondary. A couple who has never been able to conceive has primary infertility, whereas a couple who has been able to conceive in the past but is currently unable to do so has secondary infertility. T/F