Prolactin testing may be used, along with other hormone tests, to help: Determine the cause of breast milk production not associated with pregnancy or breast-feeding (galactorrhea) Diagnose the cause of infertility and erectile dysfunction in men Diagnose the cause of menstrual irregularities and/or infertility in women Detect and diagnose tumors that produce excess prolactin (prolactinomas), monitor their treatment, and detect recurrences Evaluate anterior pituitary function or other pituitary disorder.
Blood tests are normally well-tolerated. Some people have smaller or larger veins, which may make taking a blood sample more difficult. However, risks associated with blood tests like the ACTH hormone test are rare. Uncommon risks of having blood drawn include: excessive bleeding lightheadedness or fainting hematoma, or blood pooling under the skin infection at the site
If your midluteal serum progesterone level is low, the first step is to have it repeated in another cycle to confirm the result. If it is the same or still low, you may need ovarian stimulation to help you ovulate. Progesterone supplements are sometimes prescribed. High progesterone would most likely be addressed by treating the underlying cause of the problem.
Women with low progesterone and a history of miscarriages may be given progesterone supplements as soon as pregnancy is confirmed. This can help reduce the chances of another miscarriage by improving the intrauterine environment.