1. Once inserted, CIDRs provide slow-release administration of progesterone, which artificially extends the luteal phase . 2. A mid-luteal phase progesterone test may also be used to diagnose luteal phase defect. 3. A mid-luteal phase progesterone test may also be used to diagnose luteal phase defect. 4. The issue of a luteal phase defect is complex. 5. The FSHR is expressed during the luteal phase in the secretory endometrium of the uterus. 6. A key feature is that these conditions may also be present outside of the luteal phase . 7. In particular, women tend to show a cravings for chocolate, with higher cravings during the luteal phase . 8. The remaining symptoms of PMS, including mood changes and physical symptoms, also occur during the luteal phase . 9. Fifty per cent of women have a luteal phase of 13 or 14 days most of the time. 10. Inadequate production of progesterone in the luteal phase may set the stage for RPL ( see below ).
