What Causes Low Progesterone Levels?
Apr 21, 2021
Source: Cainiu Health
Dr. Chen Yunmei
Introduction
What Causes Low Progesterone Levels?
1. Endocrine imbalance: This can impair ovarian function and reduce progesterone secretion.
2. Luteal phase defect: Inadequate development of the ovarian corpus luteum leads to correspondingly low progesterone levels.
3. Uterine abnormalities: For example, prior uterine injury or structural abnormalities may directly result in low progesterone levels.
4. Disorders of the endocrine system.
Low progesterone levels primarily stem from three main causes:
1. Endocrine imbalance—Endocrine disorders can lead to low progesterone in women. For instance, severe dysfunction of the adrenal glands or thyroid gland may impair ovarian function, disrupt ovulation, and reduce ovarian progesterone secretion, thereby resulting in low progesterone levels. Additionally, such imbalances may cause ovulatory disorders, hindering conception.
2. Luteal phase defect—If luteal function is inadequate, insufficient development of the ovarian corpus luteum leads to correspondingly reduced progesterone levels.
3. Uterine abnormalities—Uterine structural or functional abnormalities may contribute to low progesterone levels. Examples include prior uterine trauma, threatened miscarriage, ectopic pregnancy, preterm birth, amenorrhea, or infertility. These conditions can directly result in decreased progesterone. In early pregnancy, low progesterone may also indicate embryonic chromosomal abnormalities.
4. Endocrine system disorders—Conditions such as hypothyroidism and other endocrine diseases may disrupt hypothalamic-pituitary-gonadal axis regulation, leading to decreased progesterone production.
