Today a fairly large number of familiesface infertility. Often its cause in both men and women are hormonal disorders. The most common of these is an increased amount of prolactin in the blood.
This hormone is synthesized by the anterior fractionpituitary gland, as well as in small amounts by the decidual membrane and endometrium. It, together with estradiol, affects the functioning and growth of the mammary glands, is responsible for lactation.
Also, prolactin has the following effects on the body:
One of the first stages in the survey of men andwomen who are faced with infertility, is an analysis of prolactin. Today it is performed in any modern laboratory. However, this research should be prepared.
Within a day before him, exclude sex,stimulation of nipples, stress, exposure to high temperatures, severe stress. An hour before the analysis, refuse to smoke and at least 15 minutes before him sit in the waiting room to rest and calm down. If a person is nervous before going to the laboratory, then it is better to postpone the analysis of the hormone prolactin.
To conduct research recommend for 5 daycycle. It is better to donate blood before 10 am. Prolactin release is of a pulsating nature and depends on many factors. Therefore, when obtaining a result that goes beyond the limits of the norm, it is recommended to conduct the study several more times.
When making a diagnosis, a doctor should take into account not only the blood test for prolactin, but also the patient's complaints. For example, discharge from the nipples, infertility, decreased libido, cycle disorders.
So, to do the analysis for prolactin is necessary in the following cases:
The standards (in ng / ml) of this analysis are as follows:
Usually, on a form of the result, the laboratory indicatestheir norms, which may differ slightly from the values given above. In addition, other units of measurement - mU / l are used. To convert them to ng / ml, you need to divide by 21.
The level of prolactin in the blood of womenreproductive age varies throughout the cycle. In the luteal phase, which begins after ovulation and ends before menstruation, it is higher than in the follicular phase. Also, the concentration of the hormone changes during pregnancy. From 8 weeks it starts to increase and reaches its maximum by 6 months.
The level of prolactin is increased under the following conditions:
Prolactin analysis will show the result below the norm in the following cases:
It is important to consider that the level of the hormone in the blood affects the intake of various drugs and substances. For example, beer increases the concentration of prolactin.
So, the analysis on prolactin is mandatory in the examination of infertility, because it affects the reproductive function in both women and men.