This database, funded by funded by the Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, is a curation of public databases for the purpose of providing a list of human reproductive system/tissue specific contraceptive targets for investigators working in the field. The goal of CITDBase is not only to identity potential contraceptive targets but, equally important, to foster collaborative efforts between the investigators from different areas of contraceptive and infertility research.