Luteinizing hormone determines the cause of infertility. Women rent it from the third to the eighth or from the nineteenth to the twenty-first day of the cycle. Men - regardless of the day of the month.
Prolactin level is determined in the first and second phase of the cycle. Elevated prolactin prevents fertilization and causes pathological changes in health.
Estradiol determined every day, regardless of the cycle.
Assays for progesterone pass from the nineteenth to the twenty-first day of the cycle. Hormone level determines the ability of the endometrium to take an egg and continue the pregnancy.
Testosterone check in any day of the month. If a woman has high levels of the hormone, the pregnancy is not nurtured and result in spontaneous abortion. If a man has low testosterone levels, it indicates multiple pathologies in health.
DHEA-sulfate is determined in a childless couple. If a man has a lower level of this hormone, then it non-viable sperm. Elevated levels of hormones in women prevents fertilize an egg and nurturing.
If you found some deviations in the level of sex hormones, then further prescribe a blood test for thyroid hormones T3, T4, TSH and anti-thyroid-stimulating hormone.
All analyzes shall be strictly in the morning on an empty stomach. Before blood donation must be calm, do not be nervous, sit in a relaxed position for 30 minutes. On the eve of analyzes excluded from the diet fatty, fried, spicy food, avoid stress, to a regime of the day, to refuse sexual relations.