660_spermStress has been known to prevent fertility and cause miscarriages, but scientists have now shown that knocking down a single gene may be able to offset these effects.” With a high population of healthy women struggling with infertility, a study by Researchers at the University of California, Berkeley provides new focus for research of human reproductive health linking pre-conception stress to fertility issues.  They believe that by modifying gene RFRP3 (which helps control the pituitary gland in response to stress), the stress hormone corticosterone can be better regulated leading to better reproductive function.