Hormone Assay is the process of measuring hormones in the blood. It is important to measure the level of various hormones which help one in getting pregnant. Through the measurement, your doctor can also determine the cause of your infertility. Hormones such as Follicle Stimulating Hormone (FSH), Luteinizing Hormone (HL), estrogen, progesterone etc. have a vital role in the process of ovulation. How these hormones affect the fertility potential of an individual is described below: