And finally, there seems to be a lack of interest in the medical profession in solving reproductive health problems. (firstthings.com)
Every dog breed has a risk for reproductive health problems and spaying will lower that risk. (littledogtips.com)
General public book Silent Spring is published, which suggests a connection between reproductive health problems in wildlife and chemical exposure, particularly the insecticide dichlorodiphenyltrichloroethane, or DDT. (endocrinescience.org)