A successful reproductive endocrinologist and fertility expert based in New York City, Dr. Sami David practices medicine at Fifth Avenue Fertility, where he utilizes a holistic approach. As part of his comprehensive SAMI Method of fertility diagnosis and treatment, Dr. Sami David conducts a careful analysis of hormone levels, which represents a key component of both female and male fertility.

For women, the steroids estrogen and progesterone play a vital role in preparing the body for pregnancy. The two hormones released by the ovaries signal the uterus to thicken its lining and prepare for the arrival of a fertilized egg. Estrogen and progesterone also signal the pituitary gland to release the hormones FSH and LH, commonly known as gonadotropins, which cause the ovaries to mature eggs and begin the ovulation process. In addition, the pituitary gland produces a hormone known as prolactin, which influences ovulation and menstruation and stimulates the production of milk