In general, infertility is defined as not being able to get pregnant after one year of unprotected sex.  Causes of infertility or reproductive problems include disease and aging, with male infertility just as common as female infertility. Many types of infertility result from disorders of pulsatile Gonadotropin-releasing hormone (GnRH) release, which is essential for reproduction.  It is still unclear, however, as to what generates these … Continue reading Researchers identify specific neurons which activate fertility master switch.