Understanding what an endocrinologist does begins with understanding what the endocrine system is. The endocrine system is a series of glands that produce and secrete hormones that the body uses for a wide range of functions. These control many different bodily functions, including: 1  Respiration.
Most ovulation tests may be used at any time of the day; some suggest testing first thing in the morning, although this is not required. For greater success, test about the same time each day, and reduce your liquid intake for four hours beforehand.
Simple test gives accurate prediction of ovulation to help women become pregnant. https://www.sciencedaily.com/releases/2011/07/110705091502.htm. Using a widely available ovulation test is a more reliable method of predicting when a woman will be at her most fertile than the commonly used calendar method. Researchers said that the ovulation test could cope with cycle variability, whereas the calendar method could not.