Menstruation Research Today is a free monthly online journal that collates and summarizes the latest research about Menstruation, including details on menstrual cycle, pregnancy, pain, irregular menstruation.
Progesterone supplementation during the luteal phase and in early pregnancy in the treatment of infertility: an educational bulletin.
Exogenous P supplementation is a common element of treatment regimens for infertility, particularly those relating to the assisted reproductive technologies.