Is it necessary to check the six sex hormones?

Is it necessary to check the six sex hormones?

Hormone is a function that must be checked regularly, because hormones are very important to our body. Maybe everyone thinks it doesn't matter, but in fact, if we don't have a full understanding and check of hormones, many complications will be caused and it is unimaginable. The six tests we do now are mainly to check the follicular growth hormone, luteinizing hormone, prolactin and a series of other tests. During the inspection process, we can reasonably diagnose the current state of our body.

Normal values ​​and significance of six hormone tests for women:

1) Follicle-stimulating hormone (FSH): It is a glycoprotein hormone secreted by the alkaliphilic cells of the anterior pituitary gland. Its main function is to promote the development and maturation of ovarian follicles. The concentration of blood FSH is 1.5-10mIU/ml in the pre-ovulation period, 8-20mIU/ml in the ovulation period, and 2-10mIU/ml in the post-ovulation period. Generally, 5 to 40 mIU/ml is considered normal. Low FSH values ​​are seen during estrogen-progestin therapy, Sheehan's syndrome, etc. High FSH levels are seen in premature ovarian failure, ovarian insensitivity syndrome, primary amenorrhea, etc. If FSH is higher than 40mIU/ml, ovulation-stimulating drugs such as clomiphene will be ineffective.

2) Luteinizing hormone (LH): It is also a glycoprotein hormone secreted by the alkaliphilic cells of the anterior pituitary gland. It mainly promotes ovulation. Under the synergistic action of FSH, it forms a corpus luteum and secretes progesterone. The concentration of blood LH is 2-15mIU/ml in the preovulatory period, 30-100mIU/ml in the ovulatory period, and 4-10mIU/ml in the postovulatory period. The normal value during the non-ovulation period is generally 5 to 25 mIU/ml. A level lower than 5mIU/ml indicates gonadotropin insufficiency, which is seen in Sheehan's syndrome. If high FSH is accompanied by high LH, ovarian failure is very certain and no other tests are necessary. LH/FSH≥3 is one of the bases for diagnosing polycystic ovary syndrome.

3) Prolactin (PRL): It is secreted by the lactating trophoblast, one of the eosinophilic cells in the anterior pituitary gland. It is a simple protein hormone whose main function is to promote breast hyperplasia, milk production and milk discharge. During the non-lactation period, the normal value of blood PRL is 0.08-0.92nmol/L. A level higher than 1.0nmol/L is called hyperprolactinemia. Excessive prolactin can inhibit the secretion of FSH and LH, inhibit ovarian function, and inhibit ovulation.

4) Estradiol (E2): Secreted by the ovarian follicles, its main function is to promote the transition of the endometrium to the proliferative phase and promote the development of female secondary sexual characteristics. The concentration of blood E2 is 48-521 pmol/L in the preovulatory period, 70-1835 pmol/L in the ovulatory period, and 272-793 pmol/L in the postovulatory period. Low values ​​are seen in ovarian dysfunction, premature ovarian failure, and Sheehan's syndrome.

5) Progesterone (P): Secreted by the corpus luteum of the ovary, its main function is to promote the transition of the endometrium from the proliferative phase to the secretory phase. The blood P concentration is 0-4.8 nmol/L before ovulation and 7.6-97.6 nmol/L in the late ovulation period. Low blood P values ​​in the late ovulation period are seen in luteal insufficiency, ovulatory dysfunctional uterine bleeding, etc.

6) Testosterone (T): 50% of testosterone in women is converted from peripheral androstenedione, about 25% is secreted by the adrenal cortex, and only 25% comes from the ovaries. The main function is to promote the development of the clitoris, labia and mons pubis. It has an antagonistic effect on estrogen and has a certain impact on systemic metabolism. The normal concentration of T in female blood is 0.7~3.1nmol/L. High blood T levels are called hypertestosteronism, which can cause infertility. When suffering from polycystic ovary syndrome, the blood T value also increases. Based on clinical manifestations, other hormones can be measured if necessary.

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