Progesterone Deficiency
A progesterone deficiency can be identified through the following symptoms: infertility or the failure to ovulate in women, an early miscarriage, tenderness of the breasts, irregular menstrual periods, ovarian cysts, menstrual cramps, water retention, cravings for carbohydrates, puffiness or bloating, and a lower body temperature.

Early Miscarriage
The correct progesterone levels in a female body are important for the purposes of fertility and pregnancy. Progesterone is vital in the preparation of the uterine wall to ensure the successful implantation of the fertilized egg. If there is not enough progesterone present during the first ten to twelve weeks of pregnancy, the egg could be expelled and this can result In a miscarriage or the loss of the embryo.