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.
When should I take a home pregnancy test (HPT)? When will an HPT give me a positive result if I am pregnant? You need to know when you ovulated before you can reliably determine when to take a pregnancy test. Your BBT chart can help you determine how many days past ovulation you are.