Test Details: FSH-LH-Prolactin is a group of tests which help in evaluating the functioning of reproductive organs in both males & females. It includes three tests: FSH (Follicle stimulating hormone), LH (Luteinizing hormone) and Prolactin test for checking the level of most important reproductive hormones in the body. A T3 test is most often used to diagnose hyperthyroidism, a condition in which the body makes too much thyroid hormone. T3 tests are frequently ordered with T4 and TSH (thyroid stimulating hormone) tests. A T3 test may also be used to monitor treatment for thyroid disease which may be the cause of infertility.