ASRM and SREI, 2008. The Practice Committee of the American Society for Reproductive Medicine in collaboration with the Society for Reproductive Endocrinology and Infertility.
Progesterone supplementation during the luteal phase and in early pregnancy in the treatment of infertility: an educational bulletin. Fertil Steril 2008;90:S150-3.
Exogenous progesterone supplementation is a common element of treatment regimens for infertility, particularly those relating to the assisted reproductive technologies.