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.
Create Your Own Personalized Ovulation Calendar! Use our ovulation calendar to identify which days of the month are important to have sex, when you should take an ovulation test, when you can begin testing for pregnancy and more. You can even set up convenient ovulation reminder emails if you choose!