Progesterone is a hormone necessary to regulate female reproductive function. Ovulation, menstruation and healthy pregnancies occur because of the progesterone hormone. Low progesterone levels can be caused by several medical conditions and can cause a variety of symptoms. When progesterone levels are suspected to be lower than normal, have these levels tested to determine the cause.
Pre-eclampsia
Pre-eclampsia, also referred to as pregnancy-induced hypertension or toxemia, is high blood pressure during pregnancy. In addition to causing low progesterone levels, this condition can cause protein in the urine and water retention. In the severe form, women can experience headaches, sensitivity to bright light, nausea and vomiting, upper right abdominal pain, bruising easily, blurry vision, fatigue, producing small amounts of urine and shortness of breath, according to the American Pregnancy Association. Drinking adequate amounts of water, having more frequent prenatal checkups, getting plenty of rest and limiting salt consumption are the most common ways to treat pre-eclampsia.
Polycystic Ovarian Syndrome
Polycystic ovarian syndrome occurs when the female sex hormones are imbalanced. It is characterized by small ovarian cysts, changes in the menstrual cycle, problems becoming pregnant, skin changes and low progesterone levels. Menstrual cycle issues and abnormal hormones can be treated with different medications, including LH-releasing hormone analogs, progesterone pills, meformin and birth control pills, according to Medline Plus.
Amenorrhea
Amenorrhea is the absence of menstrual periods. This condition is diagnosed when a girl is older than 15 and has not started her menstrual period but has already begun experiencing the other normal puberty changes, according to Medline Plus. Hormone replacement medications and surgery are commonly used to treat amenorrhea that is caused by birth defects. If a pituitary tumor is the cause, certain medications, radiation therapy and surgery are often done.


