If your basal temperatures reflect a luteal phase of 10 days or less there may be a problem with progesterone production, in addition to this or alternately your temperature may show little rise from preovulatory temperatures and cluster near then coverline. If there is a problem with progesterone production in the latter phase of your cycle, you will probably be prescribed a natural version of it.
In order for a fertilized egg to have a chance to implant and mature, the corpus luteum must maintain the latter phase of the cycle for at least 10 days. In addition, once pregnancy occurs, it must continue to live long enough for the developing placenta to take over the function of providing nutrition for the embryo. If you have been prescibed progesterone and are currently using it please place your chart in the Taking Progesterone Gallery. This section is for completed charts and not intended for questions. If you have questions concerning an incomplete chart f