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.
For couples trying to conceive, the wait between ovulation and the time to take a home pregnancy test can be agonizing. There are several factors that influence how long after ovulation a woman can test for pregnancy, including the sensitivity of the test being used and the woman's own body and normal menstrual patterns.