The hormone prolactin in women and norm

The hormone prolactin is involved in many vital processes of the female body, but especially it affects the reproductive system. Hormone produced by the anterior pituitary gland. In women, prolactin much more than men. The hormone directly involved in the formation of milk in women during lactation.

When to test

Analysis of rent at any time of the menstrual cycle, when it is convenient to combine it with other blood tests. In women during ovulation, the amount of the hormone increases. Also its much more during sleep, and after waking up the number decreases. During pregnancy the hormone level rises significantly.


The rate of prolactin in women ranges from 4.5 to 49 nanograms per milliliter, depending on the day of the menstrual cycle.

In addition, the hormone prolactin affects the reproductive function, it is secreted in increased amounts during stress or substance abuse, alcohol and birth control pills.

Signs of deficiency or excess hormone

Sometimes due to the lack or overabundance of prolactin occurs infertility, grow body hair, weight increases, there are acne and pimples. Also evidence of excess prolactin can be enlarged Breasts or discharge from them. Hormone sometimes affects a woman's body so that her long lost monthly.

As the analysis

Increase or decrease the level of hormone is not required if it occurs during pregnancy and after birth, as all natural. In other cases, there are many methods of diagnostics and treatment of diseases associated with a deficiency or an excess of prolactin. For analysis take blood from a vein on an empty stomach, after a night's sleep at least 3 hours. Doctors advise before analysis not to have sex and avoid stressful situations. Sometimes to determine disturbances in the body conducting magnetic resonance imaging to exclude tumors.

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