Pulsatile gonadotropin-releasing hormone: clinical applications of a physiologic paradigm

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Gonadotropin-releasing hormone (GnRH) is a fundamental driver of human reproduction. A pulsatile pattern of GnRH secretion is essential to achieve pituitary stimulation, gonadotropin secretion, and normal gonadal function. Pulsatile GnRH administration is used to treat anovulation and male hypogonadotropic hypogonadism. Pulsatile GnRH ovulation induction is effective and safe because it allows to avoid ovarian hyperstimulation syndrome and reduce the occurrence of multiple pregnancies. This physiology-inspired therapeutic tool has also permitted to elucidate several pathophysiologic features of human reproductive disorders.