In the basic hormonal analysis, the levels in the blood are measured of two pituitary gland hormones which stimulate the ovary, such as FSH (follicular hormone stimulant) and LH (hormone luteinizant).

The levels of estradiol, prolactin, and the masculine hormones (androstenedione, DHEAS and testosterone) are also measured. The tyroid function (TSH) is also examined. It is not always necessary to analyse all of these. In order to make a good hormone evaluation, the analysis has to be carried out between day 2 and day 3 of the cycle.

Similarly, the levels of progesterone are measured during the second part of the menstrual cycle.

To try and determine if there are any alterations in the correct functioning of the hypophysis, ovary or thyroid gland, which would produce alterations in the menstrual cycle, in the ovulation, or in the embryo implantation.

If there is a high FSH hormone presence combined with a low level of estradiol, this indicates that the fault is located in the ovary. High LH with normal FSH suggests a Polycystic Ovary Syndrome (PCOS).

When levels of LH, FSHand Estradiol are low, this could be due to a failure of the hypophysis. The prolactin is measured to rule out hyperprolactinemia. High serum androstenedione levels lead us to a Polycystic Ovary Syndrome (PCOS) or an alteration in the suprarenal gland.

Progesterone is produced by the corpus luteum after ovulation. For a correct interpretation of the level of progesterone, this has to be measured one week after ovulation. Sufficient levels of progesterone are fundamental for an embryo implantation to take place.

For this reason, in our fertility treatments we always add a progesterone supplement to be taken vaginally (Utrogestan ®/ Progeffik®).