Progesterone

To help determine the cause of infertility, track ovulation, help diagnose an ectopic or failing pregnancy, monitor the health of a pregnancy, monitor progesterone replacement therapy, or help diagnose the cause of abnormal uterine bleeding

At specific times during a woman's menstrual cycle to determine whether/when she is ovulating; during early pregnancy when symptoms suggest an ectopic or failing pregnancy; throughout pregnancy to help determine placenta and fetal health; periodically when a person is receiving progesterone replacement therapy; when a woman has abnormal uterine bleeding