I have a luteal phase defect, which sounds as if something is off with the moon.

The issue of a luteal phase defect is complex.

Unless there is a luteal phase defect, progesterone should not be used.

A common problem, called luteal phase defect, results in insufficient production of the hormone progesterone, which is needed to maintain an early pregnancy.

Effects of ascorbic acid supplementation on serum progesteron levels in patients with luteal phase defect.

A mid-luteal phase progesterone test may also be used to diagnose luteal phase defect.

Several decades later, she identified a disorder, called luteal phase defect, that causes deficiencies in the hormone progesterone and sometimes leads to miscarriages.

The luteal phase defect is confirmed, and she recommends a drug, Clomid, that will, as she puts it, "boost my follicle."

However, many women with irregular cycles do ovulate normally, and some with regular cycles are actually annovulatory or have a luteal phase defect.

Luteal phase defect, caused by breastfeeding, makes the uterine lining hostile to implantation and as such may prevent implantation after fertilization.

The lactational amenorrhea method works primarily by preventing ovulation, but is also known to cause luteal phase defect (LPD).

She may also display subtle menstrual disturbances, such as a change in menstrual cycle length, anovulation, or luteal phase defects, but not yet have developed complete amenorrhea.

Luteal phase defect (LPD) occurs when the luteal phase is shorter than normal, progesterone levels during the luteal phase are below normal, or both.

Milewicz A, Gejdel E, Sworen H, et al. [Vitex agnus castus extract in the treatment of luteal phase defects due to latent hyperprolactinemia.

While this has been repeatedly shown to "virtually eliminate" OHSS risk, there is some controversy regarding the effect on pregnancy rates if a fresh non-donor embryo transfer is attempted, almost certainly due to a luteal phase defect.